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Outlook has error message on start:Cannot open your default e-mail folder. The information store could not be opened..

Error messages

Outlook has error message on start:Cannot open your default e-mail folder.  The information store could not be opened..

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What is the type of email account configured in Outlook?
Follow the steps given below and check if it helps:
Method 1:
 
Start->Start Search > then type the following -> "Outlook.exe /resetnavpane" without the quotes-> and click Ok
(Look for the space between outlook.exe and /)
 
Method 2:
 
Check if Outlook is in a compatibility mode: 
1> Open My Computer>Local Disk C>Program Files>Microsoft Office>Office 14>Outlook.exe.
(If you are using a 64 bit machine, go to C:\Program Files x86\Microsoft Office>Office 14>Outlook.exe) 
 
2> Right click on Outlook.exe and click on Properties and then click on Compatibility tab. Check if you have any check mark in any of the compatibility mode options. Make sure you also click on the option "change settings for all users" tab at the bottom of the same screen and look for similar check boxes in the window.
 
3> If you see any check boxes in the compatibility mode options, uncheck all the boxes and click on Apply and OK.
 
4> Try to open outlook again
 
Method 3:
 
Try repairing Office. Check the link below.

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Didn't fix the problem.  Method 1 gave a pop up of: Cannot start Microsoft Outlook.Command line is not valid.  Verify switch.

Method 2:  Compatibility mode seems ok.

Method 3:  Not fixed after repair.  (Have already tried uninstall and reinstall)

I did notice that there seems to be a duplicate copy in 64 bit and the other.

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Uninstall the Duplication Copy of Office 2010 reboot the system and then try to open Outlook and check if it helps.
 
To uninstall Office 2010 multiple versions installed:
Click on Start< Control Panel< Programs and Features< right click on the multiple version of Office installed and click on Uninstall.

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Lee

Have you created a new profile? I would start with this:

http://support.microsoft.com/kb/829918

 

Take a look at this article, it is for XP, but might apply to you as well:

http://support.microsoft.com/kb/252304

 

If you are connecting to an Exchange server, see this:

http://support.microsoft.com/kb/982678

 

Hope some of that helps...

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#1   No way to click on "OK"     Got only "Nothing found in all locations for "Outlook. exe /resetnavpane"

 

#2  Got to Office 14, but there is no Outlook.exe, only Outlook.exe.Manifest, which gave me nothing.

 

#3  My Control Panel does not have a Programs and Features icon as directed.

 

Thank you for the suggestions, though.

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The second [XP] reference [Microsoft Fixit 50769] got to my problem but told me that it does not apply for my operating system or application version.

 

Thank you for trying

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Bob

As far as the Control Panel, change the view from "Category" to Large or small icons. then follow the instructions to repair.

Thanks...

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Another cause of this message is when two accounts (one administrator and one user) use the same default e-mail .pst file for shared access to e-mail.

If one account has Outlook open and you switch users, the other account will not be able to open Outlook and gets presented with the above error.

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Didn't fix the problem.  Method 1 gave a pop up of: Cannot start Microsoft Outlook.Command line is not valid.  Verify switch.

Method 2:  Compatibility mode seems ok.

Method 3:  Not fixed after repair.  (Have already tried uninstall and reinstall)

I did notice that there seems to be a duplicate copy in 64 bit and the other.


Methods 1-3 failed in the same way. No duplicate copy. Here is what worked for me.

 

1) Go to control panels and view items in, say, small icons.

2) Click on mail (in my case Mail (32-bit))

3) Click on E-mail Accounts

4) Highlight the problematic e-mail account, say, xxx.msn.com and click on Change

5) Input your credientials again, click OK and close

6) Start Outlook.

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Error messages

Outlook has error message on start:Cannot open your default e-mail folder.  The information store could not be opened..


Hi Lee McCoy,

I just wanted you to know there is now a Microsoft Support Knowledge Base article which contains a video which addresses your issue:

How to create and configure email profiles in Outlook

Thanks for your participation on Microsoft Community.

David C.

Microsoft Community Site Manager

Thanks,
David C.

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Last updated September 30, 2021 Views 20,427 Applies to: