The simplest way to make a document read-only

Open your document in Microsoft Word. Go to the File menu, then select Info. Click the yellow button that says Protect Document, then choose Mark as Final. Word will save the document and display a message saying it is now marked as final. Anyone who opens it will see a banner at the top saying the document is read-only, and the editing toolbar will be grayed out.

This method works well if you trust the people opening the file. They can still remove the read-only status by clicking Edit Anyway on that banner — it takes one click and no password. Use this when you want to signal "please don't edit this" rather than enforce it technically.

If you need stronger protection — where people cannot edit the document without a password — you will need a different approach, covered below.

Key Takeaways

  • Mark as Final is the fastest method and works for documents you want to protect from accidental changes, but anyone can click one button to remove it.
  • Password-protecting a document requires you to set a password in the Encrypt with Password option under File > Info > Protect Document.
  • Restricting editing to comments only lets readers suggest changes without altering the actual text, useful for review workflows.
  • Read-only protection in Word is not the same as file-level read-only; Word protection can be removed, while file permissions cannot without administrator access.

Password-protecting a document so editing requires a password

Go to File, then Info, then Protect Document. Select Encrypt with Password. Word will ask you to enter a password. Type it in, then click OK. Word will ask you to type it again to confirm. Once you save the document, anyone who opens it will be prompted to enter that password before they can make any changes.

This is stronger protection than Mark as Final, but it has a real limitation: if someone forgets the password, the document cannot be opened or edited without it. Microsoft does not have a way to recover a lost Word document password. Write the password down somewhere safe, or use a password manager to store it.

Password protection encrypts the document, so the file itself becomes unreadable without the correct password. This is different from the read-only methods below, which allow the file to be opened but prevent editing.

Allowing comments but blocking direct editing

If you want people to review the document and suggest changes without actually changing the text, use Restrict Editing. Go to File, then Info, then Protect Document, and select Restrict Editing. A panel will open on the right side of your screen.

Check the box next to Limit formatting to a selection of styles or Allow only this type of editing in the document. If you choose the second option, a dropdown menu will appear. Select Comments. Now click Yes, Start Enforcing Protection. Word will ask if you want to set a password. You can leave it blank or add one — if you add one, only someone with the password can turn off the restriction.

Readers will see the document normally, but when they try to edit text, they will get a message saying editing is not allowed. They can still insert comments, which appear in the margin. This is useful for documents in a review stage where you want feedback without the risk of accidental deletions or rewording.

Making a file read-only at the operating system level

Word's built-in protection methods can be removed by the person reading the document. If you need protection that cannot be undone without administrator access, you can set the file itself to read-only through your operating system.

On Windows, right-click the Word document file, select Properties, then check the box labeled Read-only under the General tab. Click explore and OK. Now when anyone opens the file in Word, they will be able to read it but cannot save changes to the original file. If they try to save, Word will ask them to save it with a new name instead.

On Mac, right-click the file, select Get Info, then check Locked near the bottom of the window. The file is now read-only at the system level. Word will behave the same way — readers can open and view it, but cannot overwrite the original.

Understanding the difference between Word protection and file permissions

Word's protection features (Mark as Final, Encrypt with Password, Restrict Editing) live inside the document itself. They can be removed by the person reading the file, though removing them may require a password or a few clicks. These methods are good for preventing accidental changes or signaling that a document should not be edited.

File-level read-only protection (set through Windows Properties or Mac Get Info) is enforced by your operating system, not by Word. It is harder to remove — the person would need to change the file's permissions, which usually requires administrator access or ownership of the file. This is stronger protection, but it also means the person cannot save any changes at all, even to a copy.

Choose Word-level protection when you want to allow flexibility — people can still save a copy with changes if they need to. Choose file-level protection when you want to prevent any modification of the original file.

What happens when someone tries to edit a read-only document

If you used Mark as Final, the person will see a banner at the top of the document saying it is marked as final. The editing toolbar will be grayed out. They can click Edit Anyway to remove the protection and start editing.

If you used password protection, Word will prompt for the password when they open the file. If they enter the wrong password, they cannot open the document at all. If they enter the correct password, they can edit normally.

If you used Restrict Editing set to comments only, they will see the document normally, but clicking in the text will show a message saying editing is not allowed. They can still add comments by going to Review and clicking New Comment.

If you set file-level read-only through your operating system, Word will open the document but will not let them save changes to the original file. If they try to save, Word will ask them to save it with a new filename instead.

When to use each method

Use Mark as Final for documents you want to distribute as finished versions — contracts, final reports, templates. It is quick and signals clearly that the document should not be edited, but anyone can remove it in seconds.

Use Encrypt with Password when you need to prevent editing and you want a password barrier. This works well for sensitive documents, but remember that a lost password cannot be recovered.

Use Restrict Editing for documents in active review, where you want feedback but not direct changes to the text. This keeps the document clean and makes it straightforward to see what reviewers suggested.

Use file-level read-only when you want the strongest protection available and you do not need the person to be able to save changes at all. This is useful for shared drives or templates that should never be overwritten.

Frequently Asked Questions

Can I remove Mark as Final protection?

Yes. Open the document, click the Edit Anyway button on the banner at the top, and the protection is removed. There is no password required. This is why Mark as Final is useful for signaling intent but not for enforcing restrictions.

What if I forget the password I set on an encrypted document?

Microsoft cannot recover it. The document will be unreadable without the correct password. Store passwords in a password manager or write them down in a find location. If you lose the password, the document cannot be opened.

Can someone edit a read-only document and save it with a new name?

It depends on the protection method. If you used Word-level protection like Mark as Final, yes — they can click Edit Anyway and save normally. If you used file-level read-only through your operating system, yes — Word will ask them to save with a new filename. If you encrypted with a password, they cannot open it without the password, so they cannot save it at all.

Does read-only protection work the same way in Google Docs?

No. Google Docs uses a sharing system instead. You set permissions when you share the link — Viewer means read-only, Commenter means they can suggest changes, Editor means they can edit. You cannot password-protect a Google Doc the way you can in Word.

Will read-only protection stop someone from copying text out of the document?

No. Read-only protection prevents editing and saving changes, but it does not prevent copying text. If you need to prevent copying, you would need additional security measures outside of Word, such as digital rights management (DRM) software, which is not built into Word.