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Cruthin

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Cannot Access Outlook 2010

Hi
I am having an issue at the moment. When I try to access MS Outlook 2010 I get the following error msg

Cannot open your default e-mail folders. The file C:\Users\"USERNAME"\AppData\Local\Microsoft\Outlook\***.ost cannot be accessed. You Must connect to Microsoft Exchange at least once before you can use your Outlook data File (.ost)

I am not connected to a network - this is a stand alone Laptop with Windows 7 Pro 64 Bit
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Nick Rhode
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Have you connected to exchange at one point before?  Do you use outlook?

Control Panel > User Accounts > Mail (32bit) > show Profiles.  You can remove profile in there if you never connected to exchange. Then open up outlook.
Delete your current mail profile and create a new one by going to control panel and then to mail set up.
Are you using POP/ IMAP? I am assuming so since you said it is a stand alone.
I would create a new mail profile and see if the error happens.
If you are not familiar with the process, see Microsoft KB829918.
Fairly confidant that this will resolve it for you
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Cruthin

ASKER

If I delete the current profile and creat a new one will it delete all my saved email addresses etc in outlook?
I believe, yes. :-(
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ASKER

no i have never connected to exchange before - this has been a  stand alone laptop
Just dont want to delete and create a new profile if all my email addresses etc will disappear
Try saving your contacts. Instructions are at:

http://www.wikihow.com/Export-Contacts-from-Outlook >

How to import from the file? Instructions are at:

http://office.microsoft.com/en-us/outlook-help/import-contacts-HA101870645.aspx >
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ASKER

Thanks but i cant access outlook to do this!!
You can do this the cheaters way,

In the options create a new account and set as default, open up outlook so it builds the profile, close outlook, navigate to the following:

C:\Users\*User Profile*\AppData\Local\Microsoft\Outlook

Swap the .ost files (*Must have same name*), and re-open outlook.


If its a .pst file.  Setup your outlook account.  Once thats all setup click File > Open > Import > Import from another program > Outlook Data File (.pst).  

Make sure top level is selected and click include sub folders.

Typically with exchange you dont have to worry about all of this because exchange houses all your stuff so it would just re-replicate all the email back to your account as soon as you connect.

Or you can try using an app to convert the .ost to .pst

http://www.addictivetips.com/microsoft-office/how-to-open-pst-and-ost-files-without-outlook-2010/
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Cruthin

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Great. You found the cause.  :-)
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ASKER

None of the syggested answers resolved the issue