Outlook Cannot Open a pst file

Having trouble with Outlook (Office 365).  It was having trouble with the settings for one of 3 email accounts connected.  After a time, it came up with a message that a pst file could not be opened.  It was not the account I was having the settings trouble with.  An attached file shows the message.  How can I resolve this - Outlook will not open beyond getting this message.

Thanks
Outlook-Trouble.jpg
Rodger ReedyProgram ManagerAsked:
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JohnBusiness Consultant (Owner)Commented:
Find SCANPST.EXE in the Outlook Program Folder. Make a backup of your PST file.

Now run scanpst.exe and point it to your PST file (not the backup) and repair the file.

Restart the computer and try opening the Outlook file again
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Tim McClureIT ManagerCommented:
You may have a corrupt PST file.  Microsoft provides a utility named scanpst.exe designed to fix the file, if possible.

You'll need to browse to the folder office is installed in. For example:

c:\Program Files (x86)\Microsoft Office\root\Office16

Close Outlook.
Find and double-click  SCANPST.EXE file.
Click the Browse button and locate the .pst file you want to repair.
Click the Start button.
Click the Repair button.
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JohnBusiness Consultant (Owner)Commented:
SCANPST is what I suggested abov
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Rodger ReedyProgram ManagerAuthor Commented:
Found scanpst.exe and ran it against the offending file (rreedy@woh.rr.com).  It found errors and repaired them, but I still get the same error message.  It is looking for rreedy@woh.rr.com.pst.  The files do not have the pst extension.  Is that part of the issue.  Also, do I have the right files (documents\Outlook Files)?  Attached is a screen shot of the files.Outlook-Files.jpg
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☠ MASQ ☠Commented:
You have "Hide extensions for known file types" enabled in Windows Explorer so it's not obvious which are the .pst files - but they are likely to be the larger ones ("Outlook" although that may be an .ost file, "rreedy@mics.net" and "rreedy3@woh.rr.com", you'll know which account is broken).

While in that Explorer window choose Organize > Folder and Search Options > View tab

And uncheck "Hide extensions for known file types"

Apply > OK

(Or right-click on each of the large files and in Properties look at the Type of file ("Outlook Date File (.pst)" is what you are looking for)

Don't forget to make a copy before running scanpst
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JohnBusiness Consultant (Owner)Commented:
The file you appear to have highlighted is not a PST file. Allow extensions to be seen as suggested above

Then make sure you have correct the right PST file

Then try again.
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Rodger ReedyProgram ManagerAuthor Commented:
Did the repair, twice.  Still the the message the Outlook cannot open the pst file.  What's next.  I'm not concerned about losing the emails as I also have them in Windows Live Mail.  I'd like to eventually migrate to Outlook.
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Rodger ReedyProgram ManagerAuthor Commented:
Can I just delete all the pst files and let them be recreated.?
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JohnBusiness Consultant (Owner)Commented:
delete all the pst files and let them be recreated.?

If you really do not want the emails, just move the PST files to a backup location and forget about them.

And then, yes, create new ones as needed.
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Rodger ReedyProgram ManagerAuthor Commented:
I deleted everything in the Outlook Files folder.  Still get the same message - Outlook will no open.  What is the next option??
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JohnBusiness Consultant (Owner)Commented:
Go to Control Panel, Mail and delete the Outlook Profile. Restart the computer and try making a new account.
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☠ MASQ ☠Commented:
Check you haven't left the (now missing) .pst files attached to your Outlook account
Launch Outlook in Safe Mode

Right-click the Start button, and click Run. Type Outlook.exe /safe, and click OK

Go to File tab
Account Settings > Account Settings > Data Files tab
If the .pst files are still listed highlight them and click Remove.
Then Close and restart Outlook normally.
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Rodger ReedyProgram ManagerAuthor Commented:
I did an Office 365 repair and was able to get Outlook open and got one account loaded.  Everything looked good.  I checked the accounts and only the one account I had just entered was there.  I closed Outlook and reopened and go the same original error message.

I tried to find and delete the profile, but the "Mail" is the Windows 10 email client, not Outlook.  How do I get to and delete the profile in Windows 10, Office 365?
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JohnBusiness Consultant (Owner)Commented:
For Windows Mail you would have to delete and recreate the account
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Rodger ReedyProgram ManagerAuthor Commented:
I learned a lot about managing email accounts in Outlook.  I appreciate you inputs and patience as I/we worked through this. I think all is good now.
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JohnBusiness Consultant (Owner)Commented:
Thank you for the update and I was happy to help
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