In Excel: go to Review ▸ Unprotect Sheet, enter the password if one was set, and the sheet becomes fully editable again.
On this page7
Open the Review tab and look for Unprotect Sheet (it replaces Protect Sheet while protection is on).
Click Unprotect Sheet.
If prompted, type the password that was used to protect it and click OK.
Confirm the sheet is editable — try typing in a previously locked cell.
What this does
Unprotecting a sheet removes the editing restrictions that Protect Sheet imposed, so every cell can be changed again. The control sits on the Review tab: if the sheet was protected without a password, one click of Unprotect Sheet frees it; if a password was set, Excel asks for it first. Removing protection is purely about re-enabling edits — it has nothing to do with opening an encrypted file, which needs the file password instead. The same idea underpins a lot of everyday Excel work, so the few minutes spent getting it right here pay back across every sheet you build afterwards. Treat it as a pattern, not a one-off, and it stops being something you look up and starts being something you reach for. For “unprotect an excel workbook”, the reliable version is a short checking loop, not just the first command that appears to work. Run it on a deliberately small range first, watch how the affected sheet change, and only then apply the same setup to the full sheet. When this is a ribbon command, the selection matters more than the button: confirm the range, apply the command, then spot-check the output before saving. That is what makes a workspace setting that makes a big sheet comfortable to navigate useful in real work: repeatable, auditable, and not dependent on memory or luck.
A worked example
A budget sheet shows "cell is protected" whenever you try to type. Go to the Review tab and click Unprotect Sheet. If a password was set, a box appears — enter it, click OK, and the protection lifts; the button now reads Protect Sheet again and every cell accepts input. If no password was ever set, the single click is all it takes and no prompt appears. You unprotect a sheet whenever locked cells are blocking a legitimate edit — updating a template someone secured, correcting a figure in a protected report, or reworking a form. It is the deliberate step that hands editing control back, the exact reverse of Protect Sheet. A practical tip: try it on a copy of the sheet or a handful of sample rows first and check the result before you apply it to the real data. That one habit catches almost every surprise while it is still cheap to reverse.
In Google Sheets
This is a command rather than a formula, so there is no syntax to carry over. Google Sheets arranges its commands in menus across the top instead of a ribbon, names some of them differently and does not have every Excel command — look for the equivalent in the Sheets menus or its help before assuming the steps match. Keep this page bookmarked for the next time the same question comes up. Better still, repeat the steps once in your own workbook — doing it yourself is what turns a copied answer into something you remember. The short version of “unprotect an excel workbook”: the answer is at the top of this page, and the sections above explain why each step matters, so a variation of the problem does not stump you. Try it once on a copy of a real file and the steps stick far better than re-reading them.
Common mistakes
- Trying to unprotect without the password: there is no legitimate built-in bypass, so you genuinely need the password that was set.
- Confusing a protected sheet with an encrypted file — a file that will not open needs its open-password, not Unprotect Sheet.
- Unprotecting the wrong sheet in a multi-tab workbook; each sheet is protected and unprotected separately.
- Forgetting that workbook structure protection (locked tabs) is removed via Unprotect Workbook, a different button on the same tab.
Frequently asked questions
I forgot the sheet password — how do I unlock it?
Honestly, you need the password; Microsoft provides no official bypass for sheet protection. Store passwords where you can retrieve them, and ask whoever protected the sheet.
Is unprotecting the same as decrypting the file?
No. Unprotect Sheet re-enables cell editing; an encrypted file that refuses to open needs its open-password through the normal open dialog, not the Review tab.
How do I unprotect every sheet at once?
Excel has no one-click "unprotect all"; unprotect each tab in turn, or use a short VBA loop if you have the password for each.