If issues are solved then try to relaunch Outlook or perform system file tracking. Outlook stores all your email messages, meetings and events, contacts, and tasks in data files. You can run the Inbox Repair Tool (scanpst.exe) to scan your Outlook data files and repair errors. Are you having trouble starting Outlook or receiving "Cannot start Microsoft Outlook. Cannot open the Outlook window" error messages? We can fix the problem for you, or you can use the troubleshooting steps we're providing below to help resolve these startup issues.
It repairs corrupt or damaged Outlook PST files and helps you access PST data. Are you having trouble starting Outlook or receiving "Cannot start Microsoft Outlook. Cannot open the Outlook window" error messages? We can fix the problem for you, or you can Fix Outlook official help use the troubleshooting steps we're providing below to help resolve these startup issues. Since several different problems can cause Outlook not to open, you may have to try multiple fixes before your issue is resolved. Here, we list fixes for the possible causes, starting with the most likely culprit.
Let’s look at what causes Outlook to crash, how you can fix it, and a smarter tool that takes a lot of the stress off your plate. Generally, many programs and applications run simultaneously or in the background which can cause interruptions. Therefore, first, restart your system, and second, check the internet connection.
For example, the first time you try to Dismiss All on a list of reminders, Outlook asks you if you're sure you want to do that. If you don't choose an option on that dialog box, Outlook won't let you do anything else. Pressing Alt+Tab will help you switch from window to window and help you see what dialog boxes might be stopping Outlook from responding. Create your account and connect with a world of communities.
This means Outlook will run with limited features and without any add-ins enabled. After that, Outlook will check for and install any available updates. Once the Outlook update process is complete, reopen the Outlook application. Again, check if Microsoft Outlook crashes when opening.
Unfortunately, none of these actions have resolved the problem. Other users in my company do not experience this issue, which makes me suspect that this is a user account-specific problem. Your profile stores a variety of settings that control how Outlook looks and feels. You can create a new profile and then add your email accounts to the new profile. If you try to delete or move a large number of messages at once, Outlook can appear to freeze, but really, it's working behind the scenes.
I hope this will work, please let me know if you still face the issue with Outlook. Large cache is often the cause of corruption, reduce the risks by reducing the size of the cache. If the troubleshooter can't fix your issue, or if you'd like to fix it yourself, see the next section. If Startup Repair detects any of these issues, it will attempt to fix them automatically. If it cannot fix the problem, it will provide a detailed report of the issues it found.
Kinda at a loss at this point, I am thinking about wiping the PC and starting again. The next screen is the preview of all the recovered Outlook items and this concludes the repair process of a PST file using Remo Repair Outlook [PST]. If this method also didn’t work for you then follow the last and most effective method which is by using a Professional and efficient Outlook Repair Tool.
ProcedureExit Outlook.Open a Run dialog box. ...Type Outlook /safe, and then click OK.If the issue is fixed, click Options on the File menu, and then click Add-Ins.Select COM Add-ins, and then click Go.Click to clear all the check boxes in the list, and then click OK.Restart Outlook.Jun 25, 2025
This command clears any broken settings related to the navigation pane and can frequently fix startup issues. If creating a new profile solves your issue, you can Fix Outlook official help return to the Show Profiles dialog and delete your old profile. When you know the cause of Outlook is having trouble starting then now the next step is to apply the appropriate fix. Below are several proven methods to resolve Outlook’s trouble issues. It enables you to verify its performance and functionality and ensures your critical data can be recovered without hassle.
Bug fixes, new features, and performance enhancements are released regularly. There are a number of possible reasons for Outlook to behave this way. We've presented the potential solutions in order Fix Outlook official help from quickest to most time consuming. The team at Blackwood IT have always given us 5-star help. Use ScanPST.exe to scan and repair .pst or .ost files. Find solutions to common problems or get help from a support agent.
Running the /resetnavpane command removes all customizations to the navigation pane. Starting Outlook in safe mode, which starts Outlook without add-ins loaded, can tell you if an add-in is the source of the problem. After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. Your PC will Fix Outlook official help still work, but we recommend moving to Windows 11.
It repairs corrupt or damaged Outlook PST files and helps you access PST data. Are you having trouble starting Outlook or receiving "Cannot start Microsoft Outlook. Cannot open the Outlook window" error messages? We can fix the problem for you, or you can Fix Outlook official help use the troubleshooting steps we're providing below to help resolve these startup issues. Since several different problems can cause Outlook not to open, you may have to try multiple fixes before your issue is resolved. Here, we list fixes for the possible causes, starting with the most likely culprit.
Let’s look at what causes Outlook to crash, how you can fix it, and a smarter tool that takes a lot of the stress off your plate. Generally, many programs and applications run simultaneously or in the background which can cause interruptions. Therefore, first, restart your system, and second, check the internet connection.
For example, the first time you try to Dismiss All on a list of reminders, Outlook asks you if you're sure you want to do that. If you don't choose an option on that dialog box, Outlook won't let you do anything else. Pressing Alt+Tab will help you switch from window to window and help you see what dialog boxes might be stopping Outlook from responding. Create your account and connect with a world of communities.
This means Outlook will run with limited features and without any add-ins enabled. After that, Outlook will check for and install any available updates. Once the Outlook update process is complete, reopen the Outlook application. Again, check if Microsoft Outlook crashes when opening.
Unfortunately, none of these actions have resolved the problem. Other users in my company do not experience this issue, which makes me suspect that this is a user account-specific problem. Your profile stores a variety of settings that control how Outlook looks and feels. You can create a new profile and then add your email accounts to the new profile. If you try to delete or move a large number of messages at once, Outlook can appear to freeze, but really, it's working behind the scenes.
I hope this will work, please let me know if you still face the issue with Outlook. Large cache is often the cause of corruption, reduce the risks by reducing the size of the cache. If the troubleshooter can't fix your issue, or if you'd like to fix it yourself, see the next section. If Startup Repair detects any of these issues, it will attempt to fix them automatically. If it cannot fix the problem, it will provide a detailed report of the issues it found.
Kinda at a loss at this point, I am thinking about wiping the PC and starting again. The next screen is the preview of all the recovered Outlook items and this concludes the repair process of a PST file using Remo Repair Outlook [PST]. If this method also didn’t work for you then follow the last and most effective method which is by using a Professional and efficient Outlook Repair Tool.
ProcedureExit Outlook.Open a Run dialog box. ...Type Outlook /safe, and then click OK.If the issue is fixed, click Options on the File menu, and then click Add-Ins.Select COM Add-ins, and then click Go.Click to clear all the check boxes in the list, and then click OK.Restart Outlook.Jun 25, 2025
This command clears any broken settings related to the navigation pane and can frequently fix startup issues. If creating a new profile solves your issue, you can Fix Outlook official help return to the Show Profiles dialog and delete your old profile. When you know the cause of Outlook is having trouble starting then now the next step is to apply the appropriate fix. Below are several proven methods to resolve Outlook’s trouble issues. It enables you to verify its performance and functionality and ensures your critical data can be recovered without hassle.
Bug fixes, new features, and performance enhancements are released regularly. There are a number of possible reasons for Outlook to behave this way. We've presented the potential solutions in order Fix Outlook official help from quickest to most time consuming. The team at Blackwood IT have always given us 5-star help. Use ScanPST.exe to scan and repair .pst or .ost files. Find solutions to common problems or get help from a support agent.
Running the /resetnavpane command removes all customizations to the navigation pane. Starting Outlook in safe mode, which starts Outlook without add-ins loaded, can tell you if an add-in is the source of the problem. After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. Your PC will Fix Outlook official help still work, but we recommend moving to Windows 11.