File Extension OST
File type: Outlook Offline Folder File
You can click here to run a free scan for OST related errors.
About the OST file type:
If Windows cannot find the appropriate program associated with .OST files, then your registry may have errors. Check your Windows registry for errors (includes file association errors).The .OST file extension identifies an Outlook Offline Folder File which may sometimes also be called an "Exchange Offline File." This file will be used to cache your e-mails offline locally on your computer when connected to a corporate e-mail server.
Windows cannot open OST files?
When Windows cannot determine which application to use to open OST files this can be caused because:
1. You do not have the appropriate program installed.
2. You may have a registry related error.
1. You do not have the appropriate program installed.
2. You may have a registry related error.
SOLUTION:
We strongly recommend that you run a free registry scan for related errors.File extension: .OST
Additional Information:
You should use a recent version of Microsoft Outlook.
Currently viewing file extension OST information.
