File Extension OST
File type: Offline Cache
Notes about the OST file extension:
Errors in your registry are one of the common causes for incorrect file associations on your windows system. It is highly recommended that you
check your registry for file association errors (will also check for any other registry errors).
The OST file type is primarily associated with 'Exchange' by Microsoft Corporation.
Detailed information for file extension OST:
Identifying characters Hex: 21 42 44 4E , ASCII: !BDN
Program ID: OSTFile , WEBFile
Other applications associated with file type OST:
- On-Screen Takeoff (Project) by On Center Software, Inc.On-Screen Takeoff is software used in creating takeoffs from digital and paper plans.
- Outlook (Offline Storage File) by Microsoft CorporationThe .PST file has a 2GB file size limit. When approaching the 2GB limit, if Office SP-1 is not installed, Outlook becomes extremely unstable to the point of not being able to clicking on any message, folder, etc. without locking Outlook. This includes attempting to access an .OST file. To shrink the file, delete items from their folders and then clear the Deleted Items folder using Tools | Empty Deleted Items Folder. Outlook will compress the folder in the background while the computer is idle so you may not see a size decrease immediately. The identifying characters used for this association are - Hex: 21 42 44 4E , ASCII: !BDNProgram ID: OSTFile , WEBFile Related links: MS Knowledge Base Article
- Tivoli Storage Manager (File) by IBMThe IBM Tivoli Storage Manager family of offerings is designed to provide centralized, automated data protection that can help reduce the risks associated with data loss.
'Identifying characters' used on FILExt.com are
provided by Marco Pontello from his TrID database