After Fresh Install of Office 365 Outlook still gives error "path not valid"

Peter 0 Reputation points
2026-11-01T22:08:02.1933333+00:00

Following Onedrive corrupting my pst, and spending many hours trying recover it or create a new profile - with various errors on the way I decided to do a fresh install of O365 and I still cannot - I am getting an error "path not valid" once I have entered all email credentials.

Any suggestions ?

running Win11 Pro 26H2 with Outlook Classic

Microsoft 365 and Office | OneDrive | For home | Windows
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Peter 0 Reputation points
2026-11-01T22:35:46.6333333+00:00

The AI answer has already been tried, however I have now manged to get it to create a profile and associate with email credentials. I'm not entirely sure what sorted it in the end just several attempts to save the profile and it eventually did.

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  1. AI answer

    2026-11-01T22:08:20.27+00:00

    A likely cause is that Outlook is still referencing an invalid data-file location from the old profile, especially after OneDrive was involved. Active Outlook PST and OST files should not be stored in OneDrive-synced locations.

    Recommended path:

    1. Close Outlook completely.
    2. Open Control Panel > User Accounts > Mail > Show Profiles.
    3. Select the existing Outlook profile and remove it.
      • Warning: removing a profile can remove associated offline data files. If there is any PST data that still matters, back it up first.
    4. Select Add to create a new profile.
    5. Enter a new profile name.
    6. Enter the account details and complete setup.
    7. Set Outlook to use the new profile, or choose Prompt for a profile to be used.
    8. Start Outlook with the new profile.

    If Outlook starts normally after that, the old profile was corrupted.

    If the profile is created but Outlook still fails, repair the Outlook data files with the Inbox Repair Tool (scanpst.exe). Exit Outlook first, then use the repair steps in the Outlook data file repair article.

    If the issue is specifically with the mail connection after profile creation, Outlook also has a built-in profile repair path:

    1. In Outlook, select File.
    2. Select Account Settings > Account Settings.
    3. On the Email tab, select the account and choose Repair.
    4. Complete the wizard and restart Outlook.

    For the OneDrive part of the problem, the supported fix in similar cases is to stop using the old OneDrive path and rebuild the Outlook profile so it points to a local, non-synced location.


    AI-generated content may be incorrect. Read our transparency notes for more information.

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