The “Cannot start Microsoft Outlook” error is a common problem that can occur when you try to launch Microsoft Outlook. This error message Unable to start Microsoft Outlook can be frustrating as it prevents you from accessing your emails, calendar, and other important information stored in Outlook. This error typically indicates a problem with the Outlook data file .It may occur when Outlook is unable to find the data file, or when the file is corrupted or damaged.
There are several possible causes for this error, including:
Corrupt Outlook profile: Your Outlook profile may be corrupted, preventing the application from starting properly.
Damaged Outlook installation: The installation files for Microsoft Outlook may be damaged, preventing the application from launching.
Conflicting third-party add-ins: A third-party add-in installed on your system may be conflicting with Outlook, causing it to fail.
Low system resources: Your system may not have enough resources (such as memory or processing power) to start Outlook.
Antivirus software: Your antivirus software may be blocking Outlook from starting.
To resolve this Error Cannot start Microsoft outlook, try the following steps:
Create a new Outlook profile:
- Open the Control Panel, Click on “Mail”
- And then click on “Show Profiles”.
- Click “Add” to create a new profile,
- And then set it as the default.
Repair the Outlook installation:
- Open the Control Panel,
- Click on “Programs and Features”,
- locate Microsoft Office in the list,
- And then click “Change”.
- Choose the option to repair the installation.
Disable third-party add-ins:
- Open Outlook in safe mode
- By holding down the Ctrl key while clicking on the Outlook icon.
- Once in safe mode, click on “File” > “Options” > “Add-Ins”,
- Then disable any third-party add-ins.
Turn off Compatibility Mode
- Hit on the Start button on your keyboard and Enter in “outlook.exe” in the search box.
- When you can see it, right-click on it and select “Properties”.
- The Properties dialog container will open the place you have to click on the “Compatibility” tab.
- Then, uncheck the alternative “Run this software in compatibility for”. Hit “OK” for confirming the actions.
Reduce Outlook Data File Size to fix this Error Cannot Start Microsoft Outlook :
The Outlook error like cannot start Microsoft outlook or set of folders cannot be opened, can’t open the outlook window. the set of folders can’t be opened” might also additionally be brought about with the aid of large-sized Outlook files.
In this case, you can minimize the dimension of your information file to resolve this problem.
- Manually splits the Outlook records archives or use 3 party PST splitter tool.
- Empty deleted items folder and take away unimportant emails and different mailbox items.
- Archive all old emails in a new Outlook file.
- Manually compress records files.
Check system resources: Close any unnecessary applications and try restarting your computer to free up system resources.
Temporarily disable antivirus software: If you suspect your antivirus software is blocking Outlook, try temporarily disabling it and then launching Outlook.
Repair a Microsoft Office application:
- Close any Office functions that are presently running.
- Open the Control Panel through clicking the Start button and kind “Control Panel” into the search bar.
- Click on “Programs and Features”
- Find the Microsoft Office software you choose to restore in the listing of established programs and click on on it.
- Click on the “Change” button (or “Modify” if you are the use of an older model of Office).
- Select “Repair” and click on “Next”.
- Follow the prompts to end the repairing process.
- Once the restore is complete, restart your laptop and strive opening the Office software again.
If the restore manner does no longer repair the issue, you may additionally want to uninstall and reinstall the application. It’s additionally viable that the problem is brought about via a large trouble with your pc or community.
Remove and reinstall office
Following the steps under:
- Download Microsoft Support and Recovery Assistant utility.
- Run the downloaded file SetupProd_OffScrub.exe application.
Install Microsoft repairing tool. - When the setup is completed, click on Agree the guidelines and stipulations with the aid of the use of clicking Yes.
- Wait until the ‘Microsoft Support and Recovery Assistant’ troubleshooting the trouble finishes .
- Select the checkbox, at the left panel of the Office product which you have named to pick all the mounted Office merchandise and click on Next.
In Conclusion :
If the issue Cannot open Microsoft Outlook still persists, please initiate the chat, One of our Certified Microsoft technicians will help you. We provide support for Microsoft products like Windows and Office and Outlook, we can also set up free tools provided and included with Microsoft Windows and can train you on how to use them to maintain the health of your computer.
