Repair Outlook Data Files (.pst and .ost) - Microsoft Support
https://support.microsoft.com/en-us/office/repair-outlook-data-files-pst-and-ost-25663bc3-11ec-4412-86c4-60458afc5253
Repair an Outlook data file (.pst) file Exit Outlook and browse to one of the following file locations: ... Open SCANPST.EXE. ... Select Browse to select the Outlook Data File (.pst) you want to scan. ... Choose Start to begin the scan. ... If the scan finds errors, choose Repair to start the process to fix them. ... When the repair is complete, start Outlook with the profile associated with the Outlook Data File you just repaired. ...
Exit Outlook and browse to one of the following file locations: ...
Open SCANPST.EXE. ...
Select Browse to select the Outlook Data File (.pst) you want to scan. ...
Choose Start to begin the scan. ...
If the scan finds errors, choose Repair to start the process to fix them. ...
When the repair is complete, start Outlook with the profile associated with the Outlook Data File you just repaired. ...
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