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Is Microsoft 365 Business Central Worth It? (w/Examples) + FAQs

Yes, Microsoft Dynamics 365 Business Central is worth it for most U.S. small and mid-sized businesses that have outgrown QuickBooks, are migrating off Dynamics GP, or need a cloud ERP that plugs into Teams, Outlook, Excel, Power BI, and Copilot. The caveat is that “worth it” depends on headcount, transaction volume, industry, and whether you are ready to pay a Microsoft Dynamics partner for implementation, data migration, and ongoing support.

The problem Business Central solves is the break point where spreadsheets and entry-level accounting tools stop being safe. The Sarbanes-Oxley Act of 2002 demands strong internal controls over financial reporting, and ASC 606 revenue recognition rules require auditable, rules-based bookings that QuickBooks cannot reliably deliver at scale. When finance teams lose that audit trail, CFOs risk material weakness findings, restated statements, and personal certification liability under SOX Section 302.

According to the 2025 Panorama Consulting ERP Report, 62% of ERP buyers cite “outgrowing current software” as the top driver, and Business Central is the fastest-growing cloud ERP in the Microsoft stack with over 40,000 customers worldwide as of 2026.

  • ๐Ÿ’ฐ How Business Central pricing, licensing tiers, and hidden implementation costs actually stack up in 2026
  • ๐Ÿงพ Which SOX, GAAP, ASC 606, and sales-tax compliance gaps it closes that QuickBooks leaves open
  • โš™๏ธ How it compares head-to-head with NetSuite, Sage Intacct, SAP Business One, Acumatica, and QuickBooks Enterprise
  • ๐Ÿค– What Copilot, Power Platform, and AppSource extensions unlock for finance, supply chain, and manufacturing teams
  • ๐Ÿšง The 7+ most expensive mistakes buyers make and the exact scenarios where Business Central is not the right fit

What Microsoft Dynamics 365 Business Central Actually Is

Microsoft Dynamics 365 Business Central is a cloud-first enterprise resource planning (ERP) platform built for small and mid-sized companies, usually in the 10 to 500 employee range. It is the direct successor to Dynamics NAV (formerly Navision), which Microsoft acquired in 2002. The product runs on Microsoft Azure, ships as a SaaS subscription, and connects natively to Microsoft 365, Teams, Power BI, Power Automate, and the new Microsoft Copilot for Business Central layer.

Business Central is not “Microsoft 365” in the Office sense, even though many buyers call it that. Microsoft 365 is the productivity bundle with Word, Excel, Outlook, and Teams. Dynamics 365 is the business-applications family that contains Business Central, Sales, Customer Service, Finance, and Supply Chain Management. The confusion matters because licensing, pricing, and admin centers are different, and buying the wrong SKU wastes money.

The consequence of picking the wrong product inside the Dynamics 365 family is severe. A 40-person distributor that buys Dynamics 365 Finance instead of Business Central will overpay by roughly $180 per user per month and inherit an implementation aimed at Fortune 500 finance shops. A common misconception is that “bigger Dynamics equals better Dynamics,” but Business Central is specifically tuned for companies under roughly $1 billion in revenue.

Business Central ships in two main online editions, Essentials and Premium, plus a low-cost Team Member license for read-mostly users. Essentials covers finance, CRM-light, projects, and basic supply chain. Premium adds service management and manufacturing. Real-world example: Priya Shah, controller at a 90-person HVAC wholesaler in Dallas, chose Premium because her team books service tickets against inventory, and Essentials would have forced a third-party field-service add-on costing more than the license delta.

The platform also supports an on-premises deployment for companies with strict data residency rules, though Microsoft is steering new buyers toward the online SaaS version. On-prem still uses the Business Ready Licensing model with perpetual licenses and annual enhancement fees. That path makes sense for a shrinking minority of buyers, such as defense contractors under DFARS 252.204-7012 who need CMMC-aligned private hosting.

2026 Pricing, Licensing, and True Cost of Ownership

Business Central’s public U.S. list prices in 2026 are clear on paper but deceptive in practice. The three core SKUs are Essentials at $70 per user per month, Premium at $100 per user per month, and Team Member at $8 per user per month. Microsoft also sells a Device license for shared shop-floor terminals, which can cut costs when three shifts share one scanner.

The plain-English explanation is that you pay per named user per month, and every user on a tenant must be on the same tier โ€” you cannot mix Essentials and Premium in one company. Violating that rule is not possible at the license level because Microsoft enforces tier uniformity in the Business Central admin center. The consequence of not knowing this rule is budget shock: a 50-user company that needs manufacturing for 5 users pays Premium for all 50, which is a $18,000 annual jump over Essentials.

A common misconception is that the subscription price is the total cost. It is not. Forrester’s 2024 Total Economic Impact study on Business Central found three-year implementation, integration, training, and partner-support costs often equal or exceed license fees. Real-world example: Marcus Reed, CFO at a 120-employee light manufacturer in Ohio, budgeted $72,000 per year in licenses and discovered the first-year implementation through a Microsoft partner cost $185,000 for discovery, configuration, data migration from Dynamics GP, user training, and go-live hypercare.

Copilot and AI Add-On Costs

Microsoft Copilot features inside Business Central are included at no extra charge for base scenarios like bank reconciliation assist, marketing text generation, and sales-line suggestion. That is a real change from 2024, when most Copilot features required a separate Dynamics 365 Copilot add-on. The consequence of ignoring the bundled Copilot features is leaving 10 to 20 hours of monthly controller time on the table, according to Microsoft’s own adoption telemetry cited in the 2025 Work Trend Index.

Advanced Copilot capabilities, such as agent-based automation through Copilot Studio, still require separate licensing at roughly $200 per tenant per month plus message packs. A common misconception is that every AI feature is free; premium agents, Sales Copilot cross-sell, and custom plug-ins are metered. Real-world example: Elena Ortiz, ops director at a 60-person e-commerce brand, uses free Copilot for PO creation but pays for a Copilot Studio agent that answers customer order-status questions in Teams.

Implementation, Partner, and Migration Costs

Business Central is sold almost exclusively through the Microsoft Partner Network. Partners handle scoping, configuration, extension development in AL, data migration, training, and support. The consequence of trying to self-implement is almost universally a failed go-live, because the product assumes a partner-led implementation methodology called Sure Step or the newer Success by Design framework.

Typical 2026 U.S. implementation ranges, based on ERP Focus survey data, are $25,000 to $75,000 for a clean 10 to 25 user rollout, $75,000 to $250,000 for 25 to 100 users with integrations, and $250,000 to $750,000+ for 100 to 500 users with manufacturing, EDI, and multi-entity consolidations. A common misconception is that cloud ERP implementation is “plug and play.” It is not, and skipping discovery usually triggers scope creep that doubles the budget.

How Business Central Compares to Other ERPs

Business Central sits in a crowded field. The honest answer is that it wins on Microsoft-stack integration, loses to NetSuite on multi-entity global finance, beats QuickBooks on audit-readiness, and trades blows with Acumatica and Sage Intacct depending on industry. The 2025 Gartner Magic Quadrant for Cloud ERP for Service-Centric Enterprises places Microsoft in the Leaders quadrant for the sixth straight year.

PlatformBest For2026 Starting PriceKey Weakness
Business CentralSMB and mid-market on Microsoft stack$70/user/monthPartner-dependent implementation
NetSuiteMulti-entity, global, IPO-track~$1,999 base + $99/user/monthHigh cost, aggressive renewals
QuickBooks EnterpriseUnder-$10M revenue, US-only~$140/month per company fileNo real ERP depth, weak audit trail
Sage IntacctNonprofits, services, SaaS finance~$15,000/year startingWeak inventory and manufacturing
SAP Business OneDiscrete manufacturing, global SMB~$94/user/monthDated UX, smaller partner channel
AcumaticaConsumption-based, construction, distributionResource-based, ~$1,800/month+Smaller ISV marketplace

The plain-English read is that NetSuite is the default answer for VC-backed companies planning an IPO and multi-country consolidation. Business Central is the default for companies already on Microsoft 365 that want tight Outlook, Excel, and Teams integration. QuickBooks is the default for under-$5M businesses with simple operations. The consequence of picking the wrong tool is a re-platform within 3 to 5 years that usually costs more than the original implementation.

Real-world example: David Kim, CFO at a 200-person SaaS company in Austin, evaluated NetSuite and Business Central. He picked NetSuite for its native ASC 606 revenue recognition module because he had deferred-revenue waterfalls across 4 entities. For a similar company without multi-entity needs, Business Central plus a certified AppSource revrec add-on like Binary Stream would have been $3,000 per month cheaper.

Migration From Dynamics GP, NAV, and SL

Microsoft ended mainstream support for Dynamics GP in September 2024 and will end extended support in 2028. That deadline is the single biggest driver of Business Central sales in 2026. The consequence of staying on GP past end-of-support is loss of security patches, tax updates, and payroll compliance, which for a U.S. employer means potential IRS Form 941 filing errors and state withholding mistakes.

Microsoft offers a GP migration tool inside Business Central that moves master data, open transactions, and historical GL. A common misconception is that migration is a lift-and-shift; it is not, because Business Central’s chart of accounts, dimension model, and posting logic differ from GP. Real-world example: Karen Liu, controller at a 75-person construction supplier, re-engineered her chart of accounts from 9 GP segments down to 3 Business Central dimensions during migration, which cut her month-end close from 12 days to 6.

Core Modules and What They Actually Do

Business Central is organized into functional areas that mirror how a mid-sized company runs. The core areas are Finance, Sales & Receivables, Purchasing & Payables, Inventory, Warehouse, Projects, Service, and (Premium only) Manufacturing. Each area ships with posting engines, subledgers, and configurable workflows tied to the general journal and dimension framework.

Finance and Accounting

The finance module covers general ledger, accounts receivable, accounts payable, fixed assets, cash management, bank reconciliation, and multi-currency. It supports U.S. GAAP and IFRS posting, and handles 1099 reporting for U.S. vendors per IRS 1099-MISC and 1099-NEC rules. The consequence of misconfiguring 1099 vendor flags is that the IRS will reject the year-end e-file and potentially assess penalties under IRC Section 6721.

The dimension model is the reporting superpower of Business Central. Instead of cramming department, location, and project into a bloated natural account, you tag each transaction with up to 8 dimensions. Real-world example: Rachel Bernstein, FP&A lead at a 150-person professional services firm, built a 4-dimension scheme (department, office, service line, partner) that generates contribution margin by partner in Power BI in minutes, a report her prior QuickBooks setup could not produce at all.

A common misconception is that Business Central’s close is slow. Properly configured, mid-sized Business Central clients close in 4 to 7 business days, which matches the APQC benchmark for top-quartile mid-market finance teams. Bank reconciliation Copilot cuts statement matching from hours to minutes.

Sales, CRM, and Revenue

Business Central ships with CRM-light inside Essentials: leads, opportunities, quotes, sales orders, and customer statements. It does not replace Dynamics 365 Sales for complex pipeline management, but it is enough for inside-sales teams. The consequence of forcing Business Central to be a full CRM is a frustrated sales team and incomplete pipeline data.

The revenue side supports subscription billing through the new native Subscription Billing module released in 2024, which handles ASC 606 performance obligations and deferral schedules. Real-world example: Jason Patel, revenue accountant at a 45-person SaaS firm, uses the module to automate monthly revrec journal entries across 900 active subscriptions, removing the Excel spreadsheet that caused a PCAOB auditor finding the prior year.

Supply Chain, Inventory, and Warehouse

The supply chain stack includes purchase orders, vendor scorecards, item tracking by lot and serial, multi-location inventory, bin-level warehousing, and sales forecasting. It integrates with EDI providers like SPS Commerce for retail trading partners. The consequence of skipping EDI is manual order entry for big-box customers, which kills margin and invites chargebacks.

Business Central supports FEFO/FIFO/LIFO costing per item, which matters for food and pharma companies under FDA 21 CFR Part 117 preventive controls. A common misconception is that “cloud ERP cannot handle lot traceability.” Business Central handles full forward and backward traceability required for recalls. Real-world example: Maria Santos, ops manager at a 30-person specialty food producer, runs a mock recall in under 15 minutes using item tracking, well under the FDA’s 4-hour expectation.

Manufacturing (Premium Only)

Premium adds production BOMs, routings, capacity planning, shop floor control, and subcontracting. It is a good fit for discrete and light process manufacturers up to roughly $200M in revenue. Beyond that, buyers usually look at Dynamics 365 Supply Chain Management or SAP S/4HANA. The consequence of stretching Business Central past its sweet spot is slow MRP runs and custom code that breaks at every upgrade.

A common misconception is that Business Central Premium is only for tiny shops. Microsoft reports thousands of manufacturers running Premium with 100 to 400 users. Real-world example: Tom Becker, plant controller at a 180-person metal fabricator in Michigan, runs Premium with a JustFoodERP-style AppSource extension and scans labor against work orders in real time.

Integration, Power Platform, and Copilot

Business Central’s strongest selling point is its integration surface. It ships with a native REST API, standard connectors to Power Automate, and a deep link with Excel for in-cell editing of BC data. For Microsoft 365 customers, that integration is often worth more than the ERP itself.

The consequence of ignoring the Power Platform layer is missed automation. Power Automate flows can auto-approve POs under a threshold, push overdue AR reminders into Teams, and route new-vendor setups through a digital approval chain aligned with COSO internal control framework. A common misconception is that you need a developer for Power Platform; most flows are built by finance analysts in hours.

Copilot inside Business Central now includes sales-line suggestion, bank rec assist, marketing text, inventory forecasting, and a natural-language chat over your data. Real-world example: Angela Foster, AP manager at a 55-person distributor, uses Copilot’s bank reconciliation feature to clear 600 monthly bank lines in 20 minutes, down from 4 hours. The Microsoft Learn sandbox lets buyers test Copilot before signing.

Three Real-World Scenarios

Scenario 1: Small Distributor on QuickBooks

Business SituationOutcome With Business Central
40-person food distributor hits 500 POs per month, QuickBooks Enterprise crashes on multi-warehouse inventoryMoves to Business Central Essentials at $2,800/month, adds SPS Commerce EDI, closes books in 5 days vs 11
Manual lot tracking via Excel creates FDA recall risk under FSMA 204Native lot tracking with 15-minute mock recalls, audit-ready traceability
No audit trail for journal entriesRole-based approvals and unchangeable posted entries satisfy SOX-lite controls

Scenario 2: Mid-Sized Manufacturer Migrating From Dynamics GP

Business SituationOutcome With Business Central
120-person metal fabricator on GP 2018, losing support in 2028Migrates to Business Central Premium, uses Microsoft’s cloud migration tool
Shop floor uses paper travelers, creates $140K/year in scrapAdds shop-floor scanning with Device licenses, scrap drops 35%
Month-end consolidation across 3 entities takes 14 daysBusiness Central multi-company plus Jet Reports closes in 6 days

Scenario 3: Professional Services Firm Scaling Past Sage 50

Business SituationOutcome With Business Central
90-person consulting firm on Sage 50, no project profitability visibilityMoves to Business Central Essentials with Projects, tracks WIP and revenue by engagement
Timesheets in spreadsheets cause DCAA audit risk on federal contractsNative time capture with audit trail, passes DCAA floor check
No ASC 606 compliance for fixed-fee contractsSubscription Billing module automates percent-complete revrec

Named Examples of Buyers Who Found It Worth It

Priya Shah, controller of the 90-person HVAC wholesaler in Dallas, migrated from QuickBooks Enterprise. Her team gained real-time warehouse visibility, cut inventory shrink by 22%, and passed her first clean AICPA review in three years. Her total first-year cost was $118,000, and she calculates the payback period at 14 months.

Marcus Reed, CFO of the 120-person Ohio manufacturer, moved off Dynamics GP ahead of the 2028 end-of-support. He consolidated three legacy add-ons into Business Central Premium plus two AppSource extensions, eliminated $60,000 per year in third-party maintenance, and gave his board a live Power BI dashboard at every meeting.

Rachel Bernstein, FP&A lead at a 150-person professional services firm, replaced a patchwork of QuickBooks Online and spreadsheets. She used Business Central’s dimension model to deliver partner-level contribution-margin reporting in Power BI. The firm’s managing partner credits the reporting with a 9% improvement in billable utilization during the first year.

Mistakes to Avoid When Evaluating Business Central

  1. Assuming it is QuickBooks with a Microsoft logo. It is not. Business Central is a full ERP with posting groups, dimensions, and workflows that require training. Users who expect QuickBooks simplicity abandon the product during go-live.
  2. Buying Essentials when you need Premium. Manufacturing and service management live only in Premium. Upgrading the whole tenant mid-year is messy and expensive.
  3. Skipping the partner discovery phase. Going straight to configuration without a scoping document leads to 40% or greater cost overruns per Panorama’s 2025 study.
  4. Underinvesting in data migration. Dirty vendor and item masters from legacy systems corrupt reporting for years. Cleanse before you import.
  5. Ignoring the sales-tax problem. Business Central’s native U.S. sales-tax engine is basic. Most U.S. multi-state sellers need Avalara AvaTax or Vertex to stay compliant with Wayfair economic nexus rules.
  6. Over-customizing with legacy code patterns. Old NAV C/AL customizations do not survive cloud upgrades. Use AL extensions on AppSource or Power Platform instead.
  7. Not planning for training. Microsoft recommends 20 to 40 hours of role-based training per user; skipping it tanks adoption.
  8. Picking the cheapest partner. A $90/hour offshore partner who does not know U.S. GAAP costs more than a $225/hour U.S. partner over the project life.
  9. Forgetting about reporting. Out-of-the-box reports are basic. Budget for Jet Reports, Power BI, or Solver.
  10. Treating go-live as the finish line. Month 2 through month 6 is where adoption either sticks or collapses.

Do’s and Don’ts

Do’s

  • Do start with a process map, because ERP projects fail when they automate broken processes.
  • Do pilot Copilot features in a sandbox, because finance teams need to trust AI suggestions before trusting them in production.
  • Do document your chart of accounts and dimensions before go-live, because post-go-live redesigns are painful.
  • Do involve internal audit early, because role-based permissions satisfy COSO segregation-of-duties requirements.
  • Do negotiate multi-year license pricing, because Microsoft partners can lock in rates against annual increases.

Don’ts

  • Don’t buy more users than you need, because Team Member licenses cover read-mostly users at a fraction of Essentials cost.
  • Don’t skip the test migration, because production migrations without a rehearsal discover data issues at the worst possible moment.
  • Don’t let IT lead the project alone, because ERP is a finance and operations project, not a technology project.
  • Don’t rely on verbal partner promises, because scope that is not in the SOW is not getting delivered.
  • Don’t defer end-user training, because untrained users create bad data faster than clean-up can keep pace.

Pros and Cons

Pros

  • Tight Microsoft 365 integration, because Outlook, Excel, Teams, and Power BI connect natively without middleware.
  • Fair per-user pricing, because Essentials at $70 and Team Member at $8 beat NetSuite on total cost for most SMBs.
  • Strong compliance posture, because the platform carries SOC 1, SOC 2, ISO 27001, and HIPAA BAA coverage.
  • Deep partner and AppSource ecosystem, because over 3,000 extensions cover niche industries.
  • Copilot included at base, because AI features are bundled rather than sold as a costly add-on for common use cases.

Cons

  • Partner-dependent implementation, because you cannot buy directly from Microsoft and self-implement safely.
  • Weak native U.S. sales tax, because you usually need Avalara or Vertex to handle economic nexus correctly.
  • Limited global consolidation, because multi-entity consolidation is basic compared with NetSuite OneWorld.
  • Reporting needs add-ons, because native reports do not match Power BI, Jet, or Solver for executive dashboards.
  • Learning curve for QuickBooks refugees, because posting groups, dimensions, and workflows are unfamiliar at first.

Key Entities and How They Connect

Microsoft Corporation is the publisher of Business Central and sets the product roadmap through its Business Applications release waves. Microsoft Partners (VARs and ISVs) implement and support the product; without a partner, you cannot buy a subscription. AppSource is the marketplace where ISVs publish extensions; it is the modern replacement for custom code. Azure is the cloud infrastructure that hosts every online tenant under a shared-responsibility security model.

The IRS, FASB, SEC, and PCAOB shape the U.S. compliance posture that Business Central must support: IRS rules for 1099s and payroll tax, FASB standards like ASC 606 and ASC 842, SEC reporting rules for public companies, and PCAOB audit standards for their auditors. State Departments of Revenue enforce sales tax under post-Wayfair economic nexus thresholds, which is why third-party tax engines matter so much. The FDA and USDA impose traceability rules on food and pharma customers that Business Central’s lot and serial tracking supports.

Process: How an Implementation Actually Runs

A standard Microsoft Success by Design implementation has five phases: Initiate, Implement, Prepare, Operate, and Optimize. Each phase has deliverables the partner should produce and the customer should approve. The consequence of skipping deliverables is usually a missed go-live or a project the CFO must write off as a loss.

Phase 1, Initiate, produces a signed SOW, a fit-gap analysis, and a project charter. Phase 2, Implement, configures the tenant, builds extensions, loads data, and runs conference-room pilots. Phase 3, Prepare, runs user acceptance testing, finalizes cutover plans, and conducts end-user training. Phase 4, Operate, is go-live plus hypercare, usually 30 to 60 days of heightened support. Phase 5, Optimize, is the continuous improvement cycle tied to Microsoft’s two annual release waves.

A common misconception is that Microsoft runs the project. Microsoft does not; the partner does, with Microsoft providing FastTrack architectural oversight for eligible customers. Real-world example: Sandra Leung, program manager at a 200-person distributor, insisted on a written RACI matrix before signing, which prevented a dispute when her partner tried to bill change orders for tasks already in scope.

When Business Central Is Not Worth It

Business Central is not the right answer for every company. Businesses under $2M in revenue with simple operations usually get better value from QuickBooks Online plus Bill.com. Companies planning an IPO in the next 24 months typically pick NetSuite for its multi-entity consolidation and IPO-readiness features. Heavy discrete manufacturers above $300M in revenue generally move to Dynamics 365 Supply Chain Management or SAP S/4HANA.

The consequence of forcing Business Central into a wrong-fit scenario is a 2- to 3-year re-platform cycle. A common misconception is that “any ERP is better than QuickBooks.” That is not true; a well-run QuickBooks Online setup with strong controls is better than a poorly implemented Business Central. Real-world example: Luis Moreno, CFO at a 15-person agency, tried Business Central, burned $60,000 on a partner, and rolled back to QuickBooks Online with Ramp for spend management because his volume did not justify ERP.

FAQs

Is Microsoft 365 Business Central the same as Microsoft 365?

No. Microsoft 365 is the Office productivity suite; Business Central is a Dynamics 365 ERP product. They are licensed, priced, and administered separately, though they integrate closely.

Is Business Central worth it for a company under 20 employees?

No, in most cases. Under 20 employees with simple operations, QuickBooks Online or Xero usually delivers better ROI. Business Central becomes worth it around 25+ users or complex inventory.

Does Business Central replace QuickBooks?

Yes. Business Central fully replaces QuickBooks with deeper functionality, stronger audit trails, multi-entity support, and real ERP modules like manufacturing and service management.

Is Business Central cheaper than NetSuite?

Yes, almost always for SMBs. Business Central runs roughly 30% to 50% less than NetSuite at 50 users, though NetSuite pulls ahead on multi-entity global consolidation.

Does Business Central handle U.S. sales tax?

No, not well natively. Most U.S. multi-state sellers add Avalara AvaTax or Vertex to meet post-Wayfair economic nexus compliance across 45+ states.

Is Copilot included in Business Central pricing?

Yes, for base features like bank reconciliation, sales-line suggestion, and marketing text. Advanced Copilot Studio agents require separate licensing.

Can I migrate from Dynamics GP to Business Central myself?

No, not safely. Microsoft provides a migration tool, but chart-of-accounts redesign, dimension mapping, and historical data decisions require partner expertise.

Is Business Central SOC 2 compliant?

Yes. The platform carries SOC 1, SOC 2 Type II, ISO 27001, ISO 27018, HIPAA BAA coverage, and FedRAMP Moderate on the GCC cloud.

Does Business Central support manufacturing?

Yes, in the Premium edition. It handles production BOMs, routings, capacity planning, and shop-floor control for discrete and light process manufacturers.

Is Business Central good for nonprofits?

Yes, with fund-accounting extensions from AppSource. However, Sage Intacct is often a stronger fit for nonprofits needing native grant and fund accounting.

Can Business Central handle ASC 606 revenue recognition?

Yes, through the native Subscription Billing module released in 2024 or via certified AppSource revrec extensions like Binary Stream.

How long does a Business Central implementation take?

Yes, timing matters: typical implementations run 3 to 6 months for 10 to 50 users, 6 to 9 months for 50 to 150 users, and 9 to 15+ months for complex 150 to 500 user rollouts with manufacturing.

Is on-premises Business Central still available?

Yes. Microsoft still sells on-premises Business Central under Business Ready Licensing, but new buyers are strongly steered to the SaaS online version.

Does Business Central integrate with Shopify?

Yes, through the native Shopify connector Microsoft ships in the base product.

Will Microsoft force me off Dynamics GP?

Yes, effectively. Mainstream support ended in 2024 and extended support ends in 2028, so staying on GP means running unsupported finance and payroll software.