This error usually arises when the user attempts to use the calendar features.
Nothing is more frustrating than seeing an oops message preventing you from tracking or handling your appointments and meetings.
Fortunately, you might follow thisMiniToolpost to address the issue.

The causes of Microsoft Teams error Couldnt load your calendar are usually straightforward but important to address.
Additionally, internet issues or temporary glitches with the Teams service can also trigger this error.
How to get permission to access Calendar in Teams?

Just follow the below-mentioned possible fixes until your Microsoft Teams Calendar works as it should.
The data pipe issue might be the culprit of the Teams error Couldnt load your calendar.
Step 2: In the pop-up window, choose theAdditional troubleshootersoption in the right panel.

Step 3: Click theInternet Connectionoption from the list and chooseRun the troubleshooter.
Learn how to troubleshoot Internet connection problems with these 11 tips incl.
WiFi connected but no Internet Windows 10, router not connecting to Internet.
![]()
Fix 2: Update Microsoft Teams
Check whether your Microsoft Teams is updated to the latest version.
Step 1: Click theMicrosoft Teamsicon on the desktop.
it’s possible for you to choose to close it from Task Manager.

PressCtrl+Shift+Esctogether to open Task Manager.
Then, right-clickTeamsand chooseEnd task.
Step 2: Press theWin+Rkey combination to initiate the Run dialog box.

Step 3: TypeAppDatain the box and pressEnter.
Step 1: PressWin+Xtogether to initiate the WinX menu.
Then, select theApps and Featuresoption.
![]()
Step 3: Click theTerminatebutton.
Some users wonder how to restart an app on Windows 11/10/ iPhone/iPad/Android.
This post provides detailed steps for you.

Step 1: PressWin+Rtogether to bring up the Run window, typecontroland pressEnter.
Step 2: Navigate to the path:Programs>Programs and Features.
Step 3: Find and right-clickMicrosoft Teams.

Step 5: Press theWin+Ekey combination to open File Explorer.
Step 6: In theViewtab at the top of the window, enableHidden Files.
Step 7: Navigate to the location:C:\Program Files\WindowsApps.
![]()
Step 8: Delete theMicrosoft Teamsfolder.
Step 9: TypeAppDatain the Window Search box and pressEnter.
Step 10: Delete theTeamsfolder.
Step 11: Reboot your rig andreinstall Microsoft Teams.
This article gathers 5 fixes to help you fix the issue.
When you encounter such Microsoft Teams function issues, these solutions are also worth a try.