Offline Storage Table (OST) file is the local cache that Outlook creates when you add or sign in using an IMAP, Microsoft 365, Exchange, or Outlook.com email account. It is a database format used by ...
Microsoft Outlook categorizes Outlook Data Files into two types: PST and OST files. PST files contain data stored in your personal folders, whereas OST files contain data downloaded off your Exchange ...
SysData OST Converter can repair, recover & convert Exchange offline OST file with its items into Outlook PST file formats. With this tool users can convert oversized OST file into small PSTs using ...