Since 1992, there are over 40 different versions of Microsoft Access in use today.

Microsoft Access saves information under the following file formats:

File Format Extension
Access Project (2007, 2010). .adp
Access Blank Project Template (2007, 2010). .adn
Access Database (2007, 2010, 2013, 2016). .accdb
Access Record-Locking Information (2007, 2010, 2013, 2016). .laccdb
Access Web App Reference. .accdw
Access Signed Packages. .accdc
Access Database, used for Add-ins. .accda
Access Database Run-time (2007, 2010, 2013, 2016). .accdr
Access Database Template (2007, 2010, 2013, 2016). .accdt
Access Database (2003 and earlier). .mdb
Access Database, used for add-ins (92,95,97), previously used for Workgroups (92). .mda
Access Workgroup, database for user-level security. .mdw
Access (SQL Server) detached database (2000). .mdf
Protected Access Database, with compiled VBA (2003 and earlier). .mde
Protected Access Database, with compiled VBA (2007, 2010, 2013, 2016). .accde
Windows Shortcut: Access Macro. .mam
Windows Shortcut: Access Module (class or module). .mad
Windows Shortcut: Access Query. .maq
Windows Shortcut: Access Report. .mar
Windows Shortcut: Access Table. .mat
Windows Shortcut: Access Form. .maf

Read about our proven 5-step process for modernizing and migrating Microsoft Access database applications to any technology here.