Missing software and file drivers is often a leading cause of DAO file problems. It is highly recommended that you scan your PC using the DAO File Repair Tool. It will analyze your files and make sure you have the necessary file openers.
DAO file error symptoms can include the inability to open DAO files, program lock-ups, crashes, slow PC performance, startup and shut down problems, and installation errors.
Fixing the Problem
To ensure DAO files can be opened and read by your computer, download and run the DAO File Repair Tool. Simply click the button below to download the software.