Files that come up with the ACCDB extension is the standard file types that Microsoft Access database management system makes use of. The ACCDB file extension has replaced the prior MDB file version. Microsoft Access version 2007 released the ACCDB file format. With this file format, users can create multi-valued look-up fields, SharePoint and Outlook integration along with several other file format enhancements.
Microsoft Access is an integrated component of the Microsoft Office Suite package that belongs to the Microsoft programs with enhanced database software functions. The ACCDB file format is created using the Access application and can be integrated with the SharePoint and MS Outlook programs.
In addition to the problem described above, i.e. the lack of the appropriate application to support the .ACCDB file, there may be several reasons that cause problems with opening and operation of the data format:
A quite common problem is the lack of application in the appropriate version. Even if you have an application, with the help of which you should open the .ACCDB file, you may have a problem with it because of its version. Perhaps in previous versions the application has not yet supported the .ACCDB file, so download the update and check again.
If you have already installed the appropriate application, and it is the correct version, the file may not open correctly, because the operating system does not have information that this program supports the file. So you need to "show" which program the computer should use. To do this:
It also happens that the file you want to open is corrupt and therefore there is no such possibility. In this situation, you should find its different version, or ask a person from whom you got, to send it again.