In the apps
On a browser, such as Chrome
- On your iPhone or iPad, go to myaccount.google.com.
- At the top right, tap your profile photo or name.
- Tap Sign out, or Manage accounts and then Sign out.
- Sign in with the account that you want to use.
- Open the file in Docs, Sheets or Slides.
Get more help
If you still can’t open a file or folder, take a look at the answers in the Google Drive forum.