Files that contain the .accdb file extension are standard database files that are used by the Microsoft Access database management system.
The ACCDB file format replaced the earlier MDB Access database files. The ACCDB file format was introduced with Microsoft Access version 2007. This new file format allows for the creation of multi-valued look-up fields, Outlook and SharePoint integration and other file format improvements.
Microsoft Access is a part of the Microsoft Office Suite package of Microsoft applications, providing Microsoft Office users with advanced database software functions. The ACCDB files that are created with the newer Access software can integrate with the MS Outlook and SharePoint software programs.
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