Recover The Navigation Pane Configuration Of Outlook

Outlook is widely used by individuals and organizations alike, due to its ease of use and integration with MS Office. It also offers Exchange connectivity which is useful for enterprise-level email communication.

Although it is a popular email client users face many problems while using it. Among many errors, however, the most common error is “The set cannot be opened” which can often make it difficult for users to access their Outlook messages and emails.

This annoying error could be caused by Outlook not being properly set up or a corrupt PST file that is linked to your Outlook account. This error is also not easily fixed. outlook set folders cannot be opened We have found some effective solutions. Let’s take a close look at each one.

Notification: Make sure to close Outlook from the background before you try any of these techniques.

Instant Solution

Use the automated tool Kernel Outlook PST Repair to fix and resolve Outlook PST error messages.

Start Outlook in Safe Mode

This error can be fixed by running Outlook in safe mode. Outlook will start in safe mode without loading any add-ins. This is how to run Outlook in safe mode.

By pressing “Window+R”, you can start the Run command.

Click OK and type “Outlook/safe”.

Click “OK” to open the dialog box “Choose Profile”.

Notice: When asked for account credentials, enter your Password and click “Accept”.

The outlook may be in safe mode when it starts. Check the status at the top to see if Outlook has been set up in Safe Mode.

Remove add-ins

Outlook will work fine in safe mode. If not, you can disable add-ins. To disable add-ins in Outlook:

Select “Options>>Add ins” from the File tab.

Click the “Go” button at the bottom of Outlook to disable add-ins

A list of all Add-ins that work with Outlook will appear. Click “OK” to remove all the Add-ins that don’t work with Outlook.

Restart Outlook to see if the error is still there. If you continue to have the same problem, try another method.

Create a new Outlook profile

Outlook profiles contain all settings that are required to use MS Outlook. If this profile is corrupted by unanticipated errors, it can result in a “The set of folders could not be opened” error. Try creating a new Outlook profile

Go to Control Panel, and select “Mail (MS Outlook 2016).”

Select “Show Profiles” in the wizard. A new wizard will appear.

Click the “Add” button to give the profile a name. To create a new profile, you can also fill out the details of your email account in the “Auto Account Setup”.

After creating a new profile it will be displayed on the General tab of the Mail dialog box.

Click OK in the section “When you start Outlook, use this Profile.”

Once you have created the new profile, start MS Outlook. Outlook will start normally if the new profile is selected. Make sure to create a backup of the profile before you attempt to delete it.

Start Outlook from the Taskbar

Users keep their most-used applications pinned to their Taskbar so they can access them quickly. Users have discovered that the ‘Set of folders cannot be opened Outlook’ error can easily be avoided by opening Outlook from the Taskbar.

Make sure MS Outlook is pinned on the Taskbar of your system. Find the Outlook shortcut on your computer and drag it onto the Taskbar. Right-click the Outlook shortcut in your Taskbar and choose ‘New email message’ from the menu.

Outlook will then start normally. This is a temporary fix. Outlook will not be able to start as normal again.

Outlook uses an App Password

Many users reported that the error “The set of folders could not be opened” occurred after they linked their Gmail account to Outlook. It usually happens when two-step verification is enabled for your Gmail account.

Two-step verification can be a great way of protecting your email account from unauthorized access. It is highly recommended that you set an App password to Gmail for when you link your Gmail account to Outlook.

Install 64-bit Office

Office 32-bit doesn’t offer the same accuracy and reliability as 64-bit. It is also noted that the 32-bit version of Office has the set of folders cannot be opened’ error most often.

If you are still experiencing the same error when using 64-bit versions, it is recommended that you reinstall the software. The 64-bit version offers better stability and performance.

Retire your Mail App Account

Windows 10 integrates with Mail, an integrated email client. It can be found under Control Panel. It’s a great tool to manage and add accounts. However, if you add Outlook accounts to the Mail app instead of adding them to MS Outlook separately, it could cause an error stating that the set of folders cannot be opened.

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