How to Share a Document Safely: Permissions Checklist

One click on ‘Share’ can expose a document to people who were not meant to see it. Shared files may include comments, hidden sheets, revision history or contact details even when the main page looks harmless. A short permission review before sending the link is worth more than apologising after disclosure.

Confirm the intended audience

Decide whether the recipient should view, comment or edit. Check whether access is limited to named people, an organisation or anyone with a link. Select the least permissive setting that still allows the task. Never assume a difficult-to-guess link is private.

Inspect more than the visible first page

Look through comments, tracked changes, hidden tabs, attachment previews, filenames and metadata as appropriate to the file type. If material is confidential, prepare a separate safe copy with unnecessary information removed, rather than trusting that viewers will ignore it.

Test the actual recipient experience

Where practical, use a non-privileged session or ask an authorised colleague to check whether the link opens with the intended permissions. Make sure the recipient can accomplish the task without gaining broad editing rights. If access is blocked, fix the permission rather than sharing your own login.

Plan for updates and removal

Set an access expiry when the service supports it or put a review date on your calendar. Revoke links that are no longer needed. If you discover an accidental disclosure, follow your organisation’s incident procedures promptly.

A realistic example

A club treasurer needs to show members the total cost of an event. Rather than share a working spreadsheet containing personal reimbursements and contact details, they publish a separate read-only summary containing the approved totals and relevant explanations.

What to be careful about

Collaborative platforms differ in how they handle link access, version history and file downloads. Verify current official documentation before relying on a setting for sensitive data.

Share-link checklist before pressing Send

  • Audience: Can only the intended people open it? Check that “anyone with the link” is not enabled unintentionally.
  • Role: Do recipients need to view, comment or edit? Remove broader access than necessary.
  • Hidden details: Review comments, tracked edits, hidden tabs, filenames and previous versions where available.
  • Verification: Test with an authorised non-admin account or suitable preview mode. Incognito mode alone does not prove that nobody else has access.
  • Afterward: Set a review date to remove access when the collaboration ends.

For sensitive files, prepare a separate redacted copy and follow your organisation’s handling procedures. A checklist reduces common mistakes but cannot guarantee confidentiality if a connected account or provider is compromised. See our Your Data & Controls guide for how this website handles data.

Choose permissions with purpose

Three sharing situations, three safer starting points

Someone only needs the totals

Make a separate sanitized summary. Share view access only with the intended people. Remove unnecessary personal data.

A colleague needs to edit

Grant edit access to named collaborators when supported. Agree on who owns approvals and when access ends.

The public needs an update

Publish a separate public-facing copy; avoid exposing a live working document or hidden revisions.

If you’re sharing multiple files, read the related guide to checking a shared folder. For documents shared in a household, see the family document access plan.

Permission controls differ between services and plans. Check the provider’s current sharing and revision-history options, and follow your organization’s policies for sensitive records.

Try this now

Before your next file share, check audience, permission level, hidden information and the recipient’s view. Remove one unnecessary permission.

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