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database diff & merge
AccdbMerge logo for MS Access
aka AccdbMerge
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KS DB Merge Tools All-In-One license

Compare and synchronize MS Access projects and data

Scroll the gallery and click on the image title to open the use case with detailed steps. Use the Pro/Free toggle to switch application modes, if applicable.

AccdbMerge is an easy to use diff & merge tool for Microsoft Access database files:

  • Compare schema, programming objects and data
  • Quick filters to show all/new/changed/new+changed
  • Merge changes in both directions
  • Lightweight: less than 10 MB
  • Free version with basic features, available for commercial use
  • Pro version with whole set of features at a reasonable price

Free Pro
Price and Download: Free, download Fully functional two weeks trial available, download
Personal license: USD $75, buy now
For companies and organizations: USD $95 ~ $40 per user (volume discounts), buy now
Prices are stated excluding VAT/taxes
Your payment is securely processed by our partner, 2Checkout, Netherlands (formerly Avangate, now Verifone)
Supported MS Access versions: 2007, 2010, 2013, 2016, 2019, 2021, Microsoft 365
Supported file formats: *.accdb, *.mdb, *.mde, *.accde which can be opened in Access on the same computer
Compare schema and programming objects:
  • Table definitions (field name and type) merge new only
  • Queries
  • Forms
  • Reports
  • Macros
  • Modules
  • Table definitions (field name, type and properties; indexes; data macros; linked table definitions)
  • Relations
  • Queries
  • Forms
  • Reports
  • Macros
  • Modules
  • References diff only
  • Import/export specifications
  • Ribbons
Compare data:
  • Per table with limitations
  • Per table
  • Per query
  • Batch data diff across multiple tables/queries
  • Any table/query vs any other table/query merge only if target updateable
  • Any custom query result diff only
Other Pro features:
  • N/A
  • Diff profiles
  • Export to Excel
  • Application customization
  • Protected files support
  • Misc. other enhancements: scrollbars colored with changes summary, navigation thru changes, advanced search, etc.
Feedback and Support: Please contact us via email:
sales@ksdbmerge.tools for questions about licensing, pricing or ordering
support@ksdbmerge.tools for any other question.
Bugs can be reported by email or using our issue tracker on the GitHub.