Plesk give write permissions to MS Access database .mdb file OR normal file & folder Steps:
1. Login to Plesk.-> File Manager -> Browse to the File -> Click on the Lock icon on the right side of the file.
2. You will reach "Setting up Access permissions" page .
3. Click on "Plesk IIS WP User (IWAM_plesk(default))" user.
4. On the right side, check in allow column against Write permission.
5. Click on OK and you are done.