Open in Safe Mode and Disable Add-ins In many cases, this error occurs due to conflicts with Outlook Add-ins.
Reset Navigation Pane Corruption of the Navigation Pane’s XML file is also another reason for Microsoft Outlook failing to start.
Repair PST Data File
Delete OST Data File
Create New Profile
Check Compatibility Mode
Perform Clean Boot
Repair / Reinstall Office
How to fix cannot start Microsoft Outlook error?
Quick Solutions to Fix Microsoft Outlook Can’t Start Error: Close Outlook
Press “Win + R” to open the “Run” dialog box.
Type Outlook /safe (note the space), then click OK.
In the Select Profiles text box, select the default settings and click OK.
Now disable add-ins in Hit Files -> Options -> Add-Ins.
Under Find and manage Office Add-ins, make sure you see COM Add-ins, and then click OK.
How do I fix outlook not opening?
To avoid minimizing Outlook to origin, follow these steps: Run the process. Outlook usually keeps certain processes running in the background.
Set up your trading account via email. If you are using Outlook for the first time, you need to set up your email account correctly.
Disable virus protection.
Do not close Outlook during automatic archiving.
How to deal with ‘Microsoft Outlook not responding’ error?
Use the Windows Synthesizer + R keyboard shortcut to open the Run command.
Type the following command and press Enter to launch Outlook in a secure form: outlook.exe /safe
Close this application (Outlook Safe Mode).
Why is outlook unable to open?
Outlook does not read and displays an error code. Reset each navigation bar using the outlook.exe /resetnavpane command. The Outlook navigation bar is usually located on the left edge of the application window.
Identification of faulty add-ons through safe mode. If this quick fix doesn’t work, the next likely cause is likely to be an add-in integration with Outlook.
Repair the corrupted Outlook profile.
How do you fix Cannot start Microsoft Outlook Cannot open the Outlook window the set of folders Cannot be opened an unexpected error has occurred?
If Outlook still says “Microsoft can’t start Outlook. Cannot open an Outlook window. The remote folder cannot be opened.” Error, anyone can try to manually resume the navigation bar configuration file and thus allow Outlook to reset it. Press the Windows + R keys on your amazing keyboard to open the Run app.
How do you fix the Cannot start Microsoft Outlook Cannot open the Outlook window the set of folders Cannot be opened error?
The information store error may be due to broken window navigation modes. To solve this problem, press the Windows Key + R key combination. Then type “outlook.exe /resetnavpane” in the “Open text and window” field and click the “OK” button.
How do you fix Outlook 2016 error Cannot start Microsoft Outlook Cannot open the Outlook window?
Locate the Outlook.exe image on your computer. Right-click the Outlook.exe file, select Properties, and then click the Compatibility tab. If any of you find that the checkboxes on the Compatibility tab are unchecked, select them, then choose Apply > OK. Restart Outlook.
How do you fix Cannot start Microsoft Outlook Cannot open the Outlook window the set of folders Cannot be opened?
Fix Microsoft Outlook error: Unable to open set of folders. Create a new Outlook profile. Use the shortcut on the taskbar to launch Outlook. Be sure to use a separate security password for Outlook. Sign out associated with iCloud. Reinstall iCloud. Do not install the Exchange Cumulative Server update. Be sure to download the 64-bit version of Office.
Ermias is a tech writer with a passion for helping people solve Windows problems. He loves to write and share his knowledge with others in the hope that they can benefit from it. He’s been writing about technology and software since he was in college, and has been an avid Microsoft fan ever since he first used Windows 95.