How to open OST
| Name: OST (Outlook Offline Folder File) | Developer: Microsoft |
| Supported OS: Windows | Category: Misc Files |
What is OST
OST file extension or Outlook Offline Folder File is a Misc Files.
Below you can find instructions how to download OST and then open it.
What program opens OST
File with the OST file extension can be opened in the operating system Windows.