π‘ If you use Office 365, Exchange, or IMAP , your default file is an OST , not a PST. PST files are mainly for POP accounts or archives.
C:\Users\%USERNAME%\Documents\Outlook Files\archive.pst where is outlook pst file located
(offline cache β not a PST):
AppData is hidden by default. To see it, type %LOCALAPPDATA%\Microsoft\Outlook into File Explorerβs address bar. π‘ If you use Office 365, Exchange, or
C:\Users\[YourUsername]\Documents\Outlook Files π‘ If you use Office 365