There are numerous reasons why you need to import an OST file into an Outlook account or profile. In this article, you will learn the ways with step-by-step instructions to import OST file into ...

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 ...

What's the max size of an OST file? I ran into this after upgrading someone from Outlook XP to Outlook 2003 (same Exch 2003 server), where email stopped working because there seemed to be a max ...