The error you are seeing when trying to open or access Microsoft Outlook is the following: Although the main reason for this error is corrupted Navigation Pane settings files, there are other possible causes. outlook the set of folders cannot be opened It has been pointed out that Outlook running in compatibility mode can also cause the above error.
Let’s now see how to fix Outlook’s Cannot Open Default Email Folders error.
Method 1 – Make sure Outlook isn’t running in compatibility mode
1. Click Windows Key + R, then enter the following text and hit Enter
For 64-bit: C:\Program Files (x86)\Microsoft Office\For 32-bit: C:\Program Files\Microsoft Office\
2. Double-click on the folder OfficeXX (where HTMLX is the version that you might be using), and then click again.
3. Locate the EXE folder under the above folder. Right-click on it to select Properties.
4. Switch to the Compatible tab, and uncheck “Run the program in compatibility mode.”
5. Next, click Apply followed by OK.
6. Run outlook again to see if the error message can be fixed.
Method 2 – Clear and Rebuild the Navigation Pane to update the profile
Note: This will delete all Favorite Folders and Shortcuts.
Use Windows Key + R to type the following command, then hit Enter
This will fix Cannot Open Your Default Email Folders. The Information Store Couldn’t Be Opened.
Method 3 – Remove corrupted profiles
1. Open the Control panel and then type Mail in the search box.
2. You can click Mail (32 bit) from the search results.
3. Next, click Show Profiles in Profiles.
4. Select all of the profiles you want to delete and click Remove.
5. To save your changes, click OK and reboot your computer.
Method 4 – Repair Outlook data file (.ost).
1. Navigate to this directory:
Note: XX refers to the Microsoft Office version that is installed on your computer.
2. Double-click Scanost.exe to launch the application.
3. Next, click OK. Select the option that interests you and then click Begin Scanning.
Please note: Check “Repair errors”
4. This will repair your ost file and fix any errors.
An error message may appear when you launch Outlook. This error message can appear in multiple Outlook versions. This is the complete error message for Outlook 2019 users.
The folder set cannot be opened. The information store couldn’t be opened. Outlook will not open after this error. There are several possible solutions to the Outlook information store error that cannot be opened. The following solutions can be used to fix the error in the information store
This post will help you fix Outlook’s inability to complete your search. This post has some great solutions.
Method 1: Start Outlook Safe Mode
You can open Outlook in Safe Mode as the first option.
Step 1: To open the Run dialog, press the Windows hotkey + R key simultaneously.
Step 2: Next type Outlook/safe, and then click OK.
Step 3: A Choose Profil window will open. To continue, click OK
Wait for the process to complete. Check if an Outlook error occurs.
Method 2: Uncheck Compatibility Mode Option in Outlook
You can also disable compatibility mode in Outlook. Here’s a quick guide.
Step 1: Navigate to Local disk: C > Program files > Microsoft Office > Office XX.
Step 2: Locate the Outlook.exe file and right-click to select Properties. Next, navigate to the Compatible tab.
Step 3: Uncheck Use this program in compatibility mode, under the Compatibility Mode section.
Step 4: Click App or OK.
You have now successfully disabled compatibility mode. If the Outlook error persists, check if the information store can’t be opened.
Method 3: Reset Navigation Pane
An Outlook error stating that the information store could not be opened may be due to corrupted navigation panel settings. To resolve this problem, you can reset the navigation pane.
Step 1: Close all Outlook-related applications.
Step 2: To open the Run dialog, press the Windows hotkey + R key simultaneously.
Step 3: Next type outlook.exe/resetnavpane, and then click OK.
Outlook should now open normally after you have run this command. If the error occurs, check that you have fixed it.
Method 4: Repair Outlook’s PST File
This issue can be solved by repairing corrupt Outlook data files.
Step 1: To open File Explorer, press the Windows keys + E keys
Step 2: Open Outlook in File Explorer. The default folder path for Outlook 2019 and ’16 is C:\Program Files (x86)\Microsoft Office\root\Office16.
Step 3: Click CANPST.EXE for the Microsoft Outlook Inbox Recovery Tool window.
Step 4: To choose an Outlook PST file click Browse, then click Start for scanning.
If the scan finds errors, you can choose a repair option.
Method 5: Disable Lync from your System Startup
The information store error may be fixed by closing Lync, which was running at the time you launched Outlook.
Step 1: Right-click on the taskbar, and choose Task Manager.
Step 2: Go to the Startup Tab, choose Lync, and then click the Disable link in the lower-left corner.
Step 3: Restart your computer and open Outlook again to verify that the Outlook error cannot be opened is fixed.
Method 6: Clean Boot Windows
Clean boot Windows to make sure that there are not any conflicting programs
Step 1: To open the Run dialog, press the Windows key and the R hotkey simultaneously.
Step 2: Next type in MSConfig, and then click OK.
Step 3: On the General Tab, select Selective Startup to choose Load service or Original boot configuration. Check the Load startup options option.
Step 4: Go to the Service tab and check to Hide All Microsoft Services. Click the Disable All buttons.
Step 5: Click App or OK.
Step 6: Select the Start option.
Once you have completed the above steps, the Outlook error that the information store could not be opened should be fixed. cannot open the outlook window