The Set Of Folders Cannot Be Opened In Outlook (Fixed)

Outlook is an effective alternative to professionalised email writing to facilitate formal communication among clients. Here in this article it shows how to fix the set of folders cannot be opened. The error encountered, that is, the inability of Outlook to open the folders which renders the entire process of accessing outlook incomplete, is a rather common one. Sometimes, Outlook shows errors with some code, or the files/ folders don’t open. So appropriate steps have to be taken to solve them.


It restricts you from opening any saved files and folders in Outlook and led to  starting the app altogether.


In fact You can fix this issue as well using one of the many possible solutions depending upon whichever way ends up suiting your software or device the best.Furthermore steps are below

Fix The Set Of Folders Cannot Be Opened In Outlook

For the purpose of the Set Of Folders Cannot Be Opened follow as below :

create a new account on outlook to fix The Set Of Folders Cannot Be Opened Create a New Account On Outlook

To go forward with this , and For the purpose  fix the set of folders cannot be opened in outlook follow the listed instructions:

a. Open Control Panel (if you can’t find it, press Windows Key + S and search for Control Panel. From here, select the Control Panel from the list of results. 

control panel

b. Next, go to the Mail section (User Account > Mail)

c. Then Now click on the Show Profiles option and select your profile. Now click on Remove.

d. Go back to the Mail Profiles window and click the option Add. Next, enter the name of your new Outlook account. Press OK to save the changes. To fix the set of folders cannot be opened in outlook

create a new account on outlook

e. Finally, click on the Auto Account Setup or Manual Setup to complete the process by following the on-screen instructions.


Remove all your existing Outlook profiles and shut the app down. Next time you run it, you will be asked to create a new profile and receive a similar outcome.

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Run Outlook Using a Taskbar Shortcut

 It has been proven that if you start Outlook using the taskbar shortcut,in addition  it rectifies the “The set of folders cannot be opened” issue itself.

If you do not have Outlook pinned to your taskbar, select the Outlook app’s shortcut on your desktop and drag it to your taskbar. 


After that, locate the taskbar shortcut and right click on it. You will find an option called ‘New E-mail Message’ or ‘Outlook 2016’, clicking on it should start the app without any hassle or error pop-ups. You may have to repeat this procedure every time you access this app since this one’s a mere tech hack.

Log Out Of iCloud From Outlook

Actually  Signing into Outlook using iCloud may also be one of the reasons for this problem to exist.  To fix the set of folders cannot be opened in outlook To correct this, follow the given steps:

a. Open iCloud from the search results in the Start Menu.

b. As iCloud opens, click on the Sign out option.


c. Choose the option Delete from the computer when asked whether you want to save your contacts, calendars and other tasks.

d. However Next, sign in to iCloud again and select syncing the Mails, Contacts, Calendars and Tasks.

log out of icloud from outlook

e. Accordingly Now, Start Outlook again.


Therefore Reinstall iCloud by following these steps:

a.  Open Outlook and go to File > Account Settings> Data Files.


b. Look for the iCloud data file and select Remove and Confirm.

c. Close Outlook.  reinstall icloud

d.    Next, On the other hand open the iCloud Control Panel and uncheck Mail, Contacts, Calendars and Tasks.

e. Install the latest version of iCloud and select the Repair option while downloading.

 reinstall icloud

f. Furthermore Restart your PC once the download is complete.

 reinstall icloud

g. Open iCloud with Outlook and check Mail, Contacts, Calendars and Tasks. Start the syncing process.

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Try Using Outlook Tools

These are third-party tools which may assist you in overcoming the issue of “The set of folders cannot be opened” in Outlook. To use these tools, follow these simple steps:


a. Get the latest version of Outlook Tools on your computer.

b. Next, open the tools and find and select Start-up Switches.

c. From the column on the left, choose Profiles and click on Start Outlook.

outlook tools

d. Go to Choose Profile panel and click on New. Enter a name for your profile.

e. Select this as your default profile from the Options and click OK. outlook tools

f. After entering the necessary details (email address and password), click on Finish.

Outlook should run smoothly after this process automatically.

Open Outlook As Administrator With The Compatibility Mode Turned Off

To change the settings to suit the needs of this method, and to fix the set of folders cannot be opened in outlook  follow the listed steps:

a. Right-click Outlook’s shortcut and select Properties from the drop-down menu.

open outlook

b. Next, click on the compatibility tab and uncheck “Run this program in compatibility mode for” option.

On the other hand Now check the “Run this program as an administrator” option and select OK to save changes.

Take The Assistance Of Microsoft Support And Recovery Assistant

Make sure you have downloaded the Microsoft Support and Recovery Assistant. According to Microsoft, this tool can help you fix several Outlook problems.

assistance of microsoft support and recovery assistant

And several Microsoft users back this fact. Further don’t take your chances to miss out on trying it this tool is free and easy to use

Run Outlook In Safe Mode

To start the app in safe mode, follow these simple steps:

a. Press Windows Key + R. This will open a window to run the app.

run outlook in safe mode

b. Now enter Outlook/ safe. Click OK to save changes.

c. Next, you will need to disable your add-ins. Go to File > Options > Add-ins.

run outlook in safe mode

d. Now click on the Go button adjacent to “Manage: Com-in Add”.

e. Disable all the available add-ins (especially the LABBYY FineReader) and select OK       

End All Unnecessary Outlook Processes Running In The Background

As a result Sometimes, Outlook may be running in the background aimlessly without your knowledge. This can be a potential cause for “The set of folders cannot be opened” error.

Finally  To fix this error using this method, follow the given instructions:

a. Open Task Manager (Ctrl + Shift + Esc)

outlook processes

b. Find Outlook in the Processes tab or Details tab where you will find the Outlook process.

c. After finding it, right-click and choose End Task from the options in the menu. 


    Also see: ‘Browser Keeps Opening By Itself In Android’ – Fix This Error

To conclude with this should help you to run the app smoothly afterwards and Alternatively this is a workaround  and hence must be taken under work with every successive running of the app. Likewise Leave your comments below for suggestions or feedbacks as to how much our assistance was of use to you for rectifying this problem. 


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