Resolved Error – Cannot Open Your Default Email Folders Outlook 2010

MS Outlook 2010 clients can’t connect and getting the error “Cannot open your default e-mail folders The information store could not be opened.” Therefore you could to connect to Exchange Server with current profile after that synchronized your folder with Outlook offline storage file (.ost).

The Error Cannot Open Your Default Email Folders Occurs Due to Two Reasons

• Your running Outlook profile in “Compatibility Mode”. or
• Your OST (Offline Storage Table) file becomes corrupted.
  Note: Needs to copy OST file to PST in any versions of MS Outlook

 Also Read: How to Import or Export OST File into Outlook

There is a scenario when you are unable to access your default email folder. Due to this, you can’t perform any activity like sending-receiving of emails. This situation is very troublesome. However, there might be some reasons which are responsible for this issue. One of them is corruption in the Navigation pane. Mainly this error occurs when the Outlook is operating in the compatibility mode.

After knowing the main cause of this error, let’s see how this error can be resolved. Just go through the below section for the different repair methods.

Remove Compatibility Mode of Outlook

In case, your Outlook is running in compatibility mode then change it. For this follow the following steps:

1. Tap the Windows Key + R then type the following command and press Enter:
   For 64-bit: C:\Program Files (x86)\Microsoft Office\
   For 32-bit: C:\Program Files\Microsoft Office\
2. Double click on the folder Office16 (you can write the version of your office version like office 12 etc.).
3. Now open Program Files >> Microsoft Office >> Office12.
   
4. Then right-click on Office12 and click on Properties.
5. Go to Compatibility tab and unmark “Run this program in compatibility mode for:” and click on OK.
   
6. Run the Outlook again, check if the error is resolved or not.

Remove and Reset the Navigation Pane for the Current Profile

Important: In this method, all Shortcuts and Favorite Folders will be removed.
1. Hit Windows Key + R then write the following command and press the Enter:
Outlook.exe/resetnavpane

Recover the Outlook data file (.ost)

1. Go to the following directory:
   For 64-bit: C:\Program Files (x86)\Microsoft Office\Office12
   For 32-bit: C:\Program Files\Microsoft Office\Office12
   Office12 is used in case of Office 2012 version.
2. Search and double-click on Scanost.exe and open the application.
3. Click on Ok on the next window then choose the option you want and click on the Begin Scan. Ensure to check “Repair errors.”

 Also Read: How to Open OST File into Outlook

Clean Corrupted Profiles

1. Open the Control Panel then type Mail in the search box. And click on the Mail (32-bit).
2. Next, click on the Show Profiles button.
   
3. Choose all the old profiles and click on Remove tab.
   
4. At last click on OK and reboot your system to save the changes.

Conclusion: Hoping that you found the solution to your problem. Four methods are explained in the above section, you can try any of them when you cannot open your default email folders in Outlook.

About The Author:

Rohan Wiese

Rohan Wiese is a Technical Writer at Aryson Technologies. He is an expert Email Forensic, Cloud Computing, and a passionate nerd with over 10 years of experience in technical content writing. He writes about Cloud Migration, Database Recovery, Email Backup, Windows, Mac, and Tech.

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