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 Panes 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 “Win Outlook
press +R” to open the Run dialog box.
Type Outlook /safe (note the space) and click OK.
In the Select Profiles dialog box, select the default options and click OK.
Now, to disable add-ons, click Computer -> Options -> Add-ons.
Under Show also Manage Office Add-ins, verify that com add-ins are displayed and select Go.
How do I fix outlook not opening?
Therefore, to prevent your Outlook from opening, do nothing: run processes. Outlook usually has many processes running in the background.
Set up your preferred email account. If this is your first time using Outlook, you need to set up your email account correctly.
Disable virus protection.
Do not interrupt Outlook during automatic archiving.
How to deal with ‘Microsoft Outlook not responding’ error?
Use the PC-style Windows + R keyboard shortcut to open the Run command.
Type the following command and press Enter to launch Outlook safely: outlook.exe /safe
Close the Outlook application (safe mode).
Why is outlook unable to open?
Outlook definitely opens ads and problem code. Reset the navigation bar using the outlook.exe /resetnavpane command. The Outlook navigation bar is definitely on the left edge of a windowed application.
Detect faulty add-ons in safe mode. If this solution doesn’t work, add-ons that can integrate with Outlook are the third suspect culprits.
Fixed low quality 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 gives you a “Microsoft Outlook cannot. Outlook cannot open the door. The folders specified with cannot be opened much”, you can try to customize the navigation bar and delete the file manually. Let Outlook do this reset. Press the Windows + R keys on your keyboard to expand 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 related to corrupted navigation bar settings. Typically, to fix this problem, press the Windows R key + Secret on your keyboard. Then type “outlook.exe /resetnavpane” in the “Open Startup” text box 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 file on your computer. Right-click the Outlook.exe list, select Properties, and then click the Compatibility tab. If any of the checkboxes on the Compatibility tab are monitored, uncheck them and select 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 username and password for Outlook. Sign out of iCloud. Reinstall iCloud. Do not install the Server Broadcast Cumulative Update. Be sure to download the 64-bit version of Office.
Douglas is a technology journalist and editor who has been covering the beat for over a decade. He has a passion for translating complex technology into easy-to-understand language for average consumers, and his work has been featured in some of the most well-known tech publications on the web, and he is a regular contributor to iconremover.com.