outlook data file deleted

I have a user who has a computer that is a pop outlook account.  It is outlook 2013.  They could not send emails.  They had about 400 emails in the inbox.  I told them to look in the settings for the account and they noticed that there was the default pop account and then an exchange account.  We do not use exchange, we use pop from a provider.  I told them to delete the exchange account and restart outlook.  When they did all the emails are gone.  Not sure how this is possible but it looks like the exchage account that should not work at all or do anything was storing the emails as the default data file.  Anyway I can get these emails back or restore the data file?  Very weird.  Is there a software you can pay for that will find this pst/ost file?
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Are you sure it's not a hosted Exchange online account?  They can have multiple accounts in addition to the pop account.

Do you see any *.OST Exchange file in the computer?  If yes, you can convert it to *.PST then mount it to Outlook and hopefully all the emails are still there.

Here is one converter and I am sure there are many others: http://www.ost2.com/
Thomas Zucker-ScharffSolution GuideCommented:
Do a system restore.
I don't think a system restore will restore the emails but worth a shot.
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David Johnson, CD, MVPOwnerCommented:
look for the .pst file in their documents\outlook files folder

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Thomas Zucker-ScharffSolution GuideCommented:
It will most likely restore files
Clark KentSoftware Engineer cum BloggerCommented:
The question seems a bigger conundrum. Please make your question more evident. On one hand, you are saying that user found a POP account in his Outlook and on the contrary you have mentioned about an Exchange account. Are these two different accounts?

As I know, connectivity with Exchange account does not create POP account and thus no PST file will exist. In such a case, the OST file is being created by MS Outlook and restoring data from it is only possible if you have enabled cached exchange mode.

But, things can be different if this whole conversation is about PST file. Once, the data is gone from PST file, then only third party sources can help you in reviving that data.

Thanks & Regards
Clark Kent
mkramer777Author Commented:
Must be my lucky day.  The user did a system restore to 7-29 and now when it rebooted he can see the username and password area and the screen just blinks on and off.  When he tries to click in the password area it just blinks and he can't type.  What the heck happened to this.  Is there a safe mode in windows 8? I did F8 but all it did was go to startup repair.  Then it went to the same screen that blinks black and then to the logon screen.  Never seen a system restore do this.
Thomas Zucker-ScharffSolution GuideCommented:
I don't think I would have changed my suggestions, but in the future it would be nice if you are presenting a problem with a computer to give specifics about the Computer's OS, architecture and such.  For instance,
Windows 7 Pro, 64 bit
8gb RAM
128gb SSD boot drive and 1tb datadrive

The more information the better.  You can use the free WinAudit tool to gather information.
mkramer777Author Commented:
Found the reason myself
David Johnson, CD, MVPOwnerCommented:
outlook.com doesn't use pop it uses exchange active sync
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