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If people open your project file, they may accidentally change task status, deadlines, or other critical information. You can prevent that by adding a password to the file when you save it.

  1. Click File > Save As.

  2. Pick a place to save the file — computer, OneDrive, or a website — and then click Browse.

  3. In the Save As dialog box, click Tools > General Options.

    Tools menu on the Save As dialog box

  4. In the Save Options dialog box, under File sharing, add passwords for your file:

    • Protection password: People need this password to open the file.

    • Write-reservation password: Anyone can read the file, but only people with this password can make changes.

      Save Options dialog box image

  5. Retype the passwords in the Confirm Password dialog box, and then save your file.

Tip:  Use strong passwords — the longer the better. Mix uppercase and lowercase letters, numbers, and symbols.

Project Web App automatically adds security to project files, so you don’t have to add a password to files you store there.

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