PST files are created in the user's computer for non-Microsoft Exchange accounts, which includes Web-based email and myriad POP and IMAP accounts provided by an ISP. OST files are local files that ...

Steps to configure IMAP for Office 365 using server addresses 1. Sign in to Outlook Web App (OWA) 2. Click on the Settings cog at the top right of the screen and then click Options. 3. Under the ...