Access Database is Corrupted – Microsoft Access Problem A corrupted database needs to be rebuilt. We always recommend making a backup copy of the database before attempting any work on it...
“The Microsoft Access database engine cannot open or write to the file. It is already opened exclusively by another user…” – Microsoft Database Connection Error Message The Microsoft Access database engine can generate an error message when CODESOFT tries to use it to access a source Excel file that may be already in use, or in a location where user permissions don't allow it to be opened.