ScanPST

To use the Inbox Repair Tool (SCANPST.exe) for Microsoft Office 11 (Outlook 2003), you'll need to first locate the tool and then follow these steps:
1. Locate SCANPST.exe:
2. Run SCANPST.exe:
3. Select the PST File:
4. Initiate the Repair Process:
5. Repair Errors:
6. Monitor the Progress:
7. Restart Outlook:

 

Common locations:

C:\Program Files (x86)\Common Files\System\MSMAPI\1033

 

https://learn.microsoft.com/en-us/outlook/troubleshoot/import-and-export/cannot-import-ansi-pst-file

What is the Mac Outlook's OLM File Location?
  1. Outlook for Mac 2011: /Users/username>/Documents/Microsoft User Data/Office. 2011 Identities/Main Identity.
  2. Outlook for Mac 2016: /Users//Library/Group. ...
  3. Outlook for Mac 2019: /Users//Library/Group. ...
  4. Outlook for Mac 365: /Users/UserName /Library/Group.

 

Outlook for Mac cannot import an ANSI .pst file

Open the .pst file in Microsoft Outlook 2010, and move the contents to a new .pst file that is saved in Unicode format. To do this, follow these steps:

  1. Open Outlook 2010, and select File, Open, Open Outlook Data File.

  2. Browse to and select the ANSI .pst file.

  3. Select the ANSI .pst file root in the Navigation Pane.

    Screenshot of the files under the ANSI .pst file root in the Navigation Pane.Select File, select Options, and then select Advanced.

  4. Select Export, and then select Export to a file and select Next.

  5. Select Outlook Data File (.pst), and select Next.

  6. Make sure the root of the ANSI .pst file is selected, and that Include subfolders is enabled, and then select Next.

  7. Select Browse to choose a location for the new .pst file to be created, and enter a file name for it, and select OK.

  8. Select Finish, enter a password for the PST if you prefer (optional), and select OK.

  9. This creates a Unicode PST file in the location that you specified, that you can later import into Outlook for Mac successfully.

  10. Open Outlook for Mac, and import the .pst file. For more information about how to import .pst files, see Import a .pst file into Outlook for Mac from Outlook for Windows.