Unlink OneDrive from your PC: OneDrive icon in the system tray > Help & Settings > Settings > Account > Unlink this PC
Quit OneDrive: OneDrive icon in the system tray > Help & Settings > Quit OneDrive
Uninstall OneDrive on Windows 10/11: Settings > Apps > Installed apps > Microsoft OneDrive > Uninstall
Uninstall OneDrive on Windows 7/8: Control Panel > Programs and Features > Microsoft OneDrive > Uninstall
Remove OneDrive from startup: Task Manager > Startup apps > Microsoft OneDrive > Disable
Delete the OneDrive folder if needed after backup
Remove OneDrive from File Explorer navigation pane using Registry Editor or Group Policy
Delete OneDrive from macOS: Applications > OneDrive > Move to Trash
Remove OneDrive from iPhone/iPad: delete the OneDrive app from the Home Screen or App Library
Remove OneDrive from Android: Settings > Apps > OneDrive > Uninstall
Delete your OneDrive files from the OneDrive website if you want to remove cloud content
Delete your Microsoft account if you want to remove the OneDrive account entirely