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outlook will not open

Outlook 365 app will not open profile on pc.  I have run the recovery tool and scrubbed office and reinstalled and it did not help. I cannot setup a new profile for outlook. Not sure what to try. Says that outlook cannot connect and then says try again.  Might be autodiscover. This worked yesterday on this computer but not today. No one else in company is having this issue.

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☠ MASQ ☠

Have you tried Safe Mode?

WinKey+R
Outlook.exe /safe
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mkramer777
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The issue is related to a corrupt Outlook data file OST, try to rebuild a fresh ost file in place of an existing file.  or you can follow the link to explore more https://www.stellarinfo.com/article/fix-outlook-error-the-attempt-to-log-on-to-microsoft-exchange-has-failed.php