Outlook applications provide a vast range of email-related feature to its users. However, in certain conditions, the Outlook applications give out different types of error and the ‘application not opening’ is one of them.
The Outlook won’t open issue is mainly occurs due to setting misconfigurations and corrupted Database. However, many users have encountered this issue because of damaged Outlook application and improper internet settings.
Now, if you are one of those users who is facing this issue on their system and need to know ‘why my Outlook won’t open?’ then follow this article till the end.
There are many ways by which you can resolve the Outlook won’t open issue. But, you need to apply them in a proper way to get a positive result.
In this section of the article, we have provided the most effective solutions to this issue. Have a look at them and try to execute them as instructed.
If you are facing this issue in the Outlook office 365 application, then you can use the ‘Support and Recovery Assistant’ tool in order to diagnose and fix it.
Now, to run this tool on your system, follow the given steps.
Now, the ‘Support and Recovery Assistant’ tool will diagnose all the issues present in the Outlook application and will try to fix it. If the tool is unable to fix the issue then try the next solutions given in this article.
Another factor that may cause this issue within the Outlook application is the conflicting Add-ins. Now, to verify that, enter into the Safe Mode of Windows OS and launch the application.
If the Outlook application opens up in the Safe mode then follow the given steps in order to perform the rest of the method.
Now, go back to the Normal mode of the Windows OS and try to launch the Outlook application in order to verify the status of the error.
Now, it is quite possible that the Outlook application that you are using on the system is corrupted or damaged due to any major OS update glitch or fault within the application installation.
Now, to repair the application you need to use the Microsoft Office Repair utility. In order to launch the tool on your system, follow the given steps.
The repair process will take some time, therefore you need to wait until it gets completed. Once it does, relaunch the Outlook application to verify the status of the error.
Now, if you don’t want to use the above-given method for the application repairing process then here is an alternative method that you can use for this task.
Now, the Repair tool will start its job and that will take some time. Once that tool, complete its task, relaunch the Outlook application and verify the existence of the issue.
Sometimes, this issue indicates about the corruption of Outlook Data Files (PST). And it is quite possible the same problem is affecting the system you are using.
Now, to fix such problems Microsoft has provided an inbuilt tool know as “SCANPST.EXE”. In order to use that tool on the system, follow the given steps.
Outlook 2019: C:\Program Files (x86)\Microsoft Office\root\Office16
Outlook 2016: C:\Program Files (x86)\Microsoft Office\root\Office16
Outlook 2013: C:\Program Files (x86)\Microsoft Office\Office15
Outlook 2010: C:\Program Files (x86)\Microsoft Office\Office14
Note: However, if it is not then, click on the Browse button and navigate to your data files.
Now, the SCANPST.EXE tool will start its repairing task and it will take quite some time. Once the tool gives out a completion message, close all the windows and start the Outlook application in order to look for the error.
If you are using the Outlook application in a macOS based system and encountering this issue in it, then you need to rebuild the Outlook Database.
Now, to perform that task on a macOS based system you need to use the Microsoft utility. In order to use that tool, follow the given instructions.
The database rebuilding process will start on the system. After it gets completed, restart the Outlook application and check whether the Outlook still refuses to open up.
We hope that our article is able to provide you enough information on the Outlook won’t open issue. However, if you have more queries regarding this Outlook issue, then post about it in the comment sections.