Clicking a link to a critical document or Shared Drive only to be stopped by a "You need permission" or "You need access" screen can bring your workflow to a grinding halt.

Before hitting the request button, check the bottom of the error screen or the top-right corner of your browser window. Google will explicitly display which email address is trying to open the file.
If you see your personal email listed (e.g., yourname@gmail.com) instead of your corporate email, Google is blocking you because the document is restricted to our organisation.
The Fix:
Look for a Switch accounts link on the screen (or click your profile icon in the top right corner).
Select your corporate work account. The page should refresh and grant you immediate access.
If you are logged into your work account and still see the restriction screen, the file owner has not shared it with you or your team yet.
In the Message (optional) text box, type a brief note explaining who you are and why you need the file (e.g., "Hi Sarah, need this for the Q3 project review"). Leaving this blank often slows down approvals.
Click the blue Request access button.
The file owner will receive an email notification with your note and a one-click button to let you in.
If you are the person creating and sharing files for your department, you can prevent these access barriers entirely by changing where you save your work.
When you create a file in your personal My Drive, you own it. If you share it incorrectly, team members will constantly run into permission blocks. Worse, if you leave the organisation, those files can become orphaned or disappear.
Always create and store team-facing projects inside a corporate Shared Drive rather than your personal folder.
Files belong to the team: Anyone added to the Shared Drive automatically gets permission to view or edit all documents inside it—no more manually managing links.
Seamless onboarding: When a new team member joins, you only have to add them to the Shared Drive once, rather than sharing fifty individual files.
No broken links: If a team member leaves the company, the files remain safely in the Shared Drive so project history is never lost.