to do task bar not showing any tasks

1. Quick Fix Steps
Reset the Task Panel
Close Outlook
2. Delete the task cache file:
powershell
3.# Windows Execute:
Remove-Item “$env:LocalAppData\Microsoft\Outlook\*.taskcache” -Force
bash
4.# Mac Execute:
rm ~/Library/Group\ Containers/UBF8T346G9.Office/Outlook/Preferences/*.taskcache
5. To force a data refresh
Press in Outlook:
Windows: Ctrl + Shift + F9
Mac: Command + Option + Shift + F9
6. In-depth troubleshooting program
 Check task synchronization status
powershell
# Check Office background processes
Get-Process -Name “Microsoft To-Do” | Restart-Process -Force
7. Rebuild task index
powershell
# Reset Outlook local data
Outlook.exe /resetfolders
Outlook.exe /cleanreminders
8. Account and Permission Repair
 Relink Microsoft account
Open Microsoft To-Do standalone application
Click “Settings” → “Accounts” in the lower left corner → Remove and re-add accounts
9. Verify Exchange connection
powershell
Test-OutlookWebServices -Identity email address removed for privacy reasons | FL *URL*
Make sure EwsUrl returns a valid address.
10. Interface recovery program
 Manually display the taskbar
In Outlook:
Windows: View → To-Do Bar → Tasks
Mac: Windows → To-Do List
11. Reset the ribbon layout
powershell
# Remove Interface Configuration
Remove-ItemProperty -Path “HKCU:\Software\Microsoft\Office\16.0\Outlook\Preferences” -Name “TaskBarState” -ErrorAction SilentlyContinue
12. If the problem persists:
Create a new Outlook profile:
powershell
# Windows Control Panel → Mail → Show Profile → New
13. Completely reinstall the To-Do component:
powershell
Get-AppxPackage *MicrosoftToDo* | Remove-AppxPackage
winget install Microsoft.ToDo