OST to PST conversion software for offline Outlook files helps users extract mailbox data from an OST (offline cache) and save it into a PST so it can be opened and reused in Outlook without needing the original server connection. This is especially useful when an OST becomes “orphaned” (the associated Exchange/Microsoft 365 profile is unavailable) and Outlook won’t let you export dat... https://sites.google.com/view/vsoftwareosttopstconverter/home