Wincalendar.exe is a file associated with the WinCalendar application. You can integrate this application with Excel or Word to print customisable calendars. The Wincalendar.exe file contains the executable code for the app.
When you install the WinCalendar application on your PC, the Wincalendar.exe file gets installed in the program files directory of your system. These files are necessary for the proper functioning of the app and you should avoid tampering with the file in any way or form.
While the Wincalendar.exe file is generally safe if downloaded from an authorised source like Microsoft Play Store. If you download the application from any other unverified app store, then there is a high possibility that the app is laden with malware. So, you should regularly scan your computer using any good anti-virus software.
Now that we have understood what is Wincalendar.exe file, it is time for us to dive into some of the issues with it.
What are the most common errors associated with Wincalendar.exe?
Here are some of the most common issues associated with the Wincalendar.exe file:
- Wincalendar.exe could not be found: This error occurs when the said file is missing from the system or you have moved the file to a different location.
- Wincalendar.exe is not a valid Win32 application: When the Wincalendar.exe file gets corrupt or damaged, you will see this message.
- Wincalendar.exe has encountered a problem and needs to close: If there is a conflict between the Wincalendar app and some other app or an extension, then you will get a notification of this error.
- Excel crashes when using WinCalendar: WinCalendar app can be integrated with Excel and you will see this error if there is a conflict between Excel and the app.
- Wincalendar.exe high CPU usage: This error occurs when WinCalendar uses a high amount of RAM thereby slowing down the system.
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How to fix issues with Wincalendar.exe?
Fixing issues with Wincalender.exe is easy and doesn’t require much technical knowledge. In this section, we will discuss several steps by which you can easily troubleshoot the errors.
Reinstall WinCalendar
This is the easiest step that you can do if you encounter any error with WinCalendar. Just Uninstall the application and then reinstall it from a trusted app store.
To uninstall the application, follow the steps given below:
- Go to the Search Bar and type Add or Remove Programs.
- Find WinCalendar and then click on the three-dot button. After that select Uninstall.
- Follow the instructions.
Now, open Microsoft Store and reinstall the application again.
Update Microsoft Office
As this application can be integrated with Excel and Word, there is a probability that you have not updated the Microsoft Office application in a while. Usually, Microsoft automatically updates that app. However, if that is not the case, then you will have to do it manually.
To update Office, open any of the associated apps — Word, PowerPoint, Excel or Outlook. Then open a new file. After that, go to File > Account > Office Updates.

Check for Windows updates
Sometimes, when you are late in updating Windows, you might experience some issues with the operating system or the applications. So, you should make it a habit of downloading and installing new updates regularly.
Check out our detailed guide on how to update Windows 10. If your Windows update is stuck at zero, head to this article to find 6 fixes.
Run a malware scan
Malware (malicious software) denotes a collection of various programs that can harm the computer. The term can denote computer viruses, Trojan horses, worms, or spyware, among others. The harm can range from forced advertising (adware) or asking for ransom (ransomware) or stealing information (spyware). They can also monitor the user without their permission.
Although Windows has its own in-built malware protection app — Windows Defender, you can opt for any other third-party application that suits your budget.
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Repair Microsoft Office
It might happen that Microsoft Office files got corrupted on your computer thereby hampering the integration and working of WinCalendar. Therefore, you should repair Office files.
Here are the steps to do so:
Step 1: Open Settings and then go to Apps > Installed apps.

Step 2: Locate Microsoft Office and then click on the three-dot button. After that, select Advanced Options.

Step 3: Click on Repair and follow the prompts.

Once the files have been repaired, run the WinCalendar application again.
Check for conflicts with other programs
If you are using other programs as add-ins in Microsoft Office, there may be a conflict between the program and WinCalendar.
Try to disable the add-ins or programs and run WinCalendar again.
Contact support
If nothing else works, then contacting support is your final option. Click here to contact WinCalendar support and state your issue in detail.
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