Forum Discussion
Unable to Open an Old OST File After Outlook Profile or Mailbox Changes
Hi everyone, I am looking for suggestions on handling an old OST file where the original Outlook profile or mailbox is no longer available. The situation is that an OST file contains important mail...
There is no direct way to open orphaned OST files once the original mailbox or Outlook profile is gone.You may try to reconnect to the original mailbox if it still exists; otherwise, administrators must convert the OST to PST using third‑party tools.