In Excel: use File ▸ Info ▸ Protect Workbook ▸ Always Open Read-Only for a polite prompt, or Save As ▸ Tools ▸ General Options and set a Password to modify for one that cannot be dismissed.
For a nudge: File ▸ Info ▸ Protect Workbook ▸ Always Open Read-Only, then save.
For enforcement: File ▸ Save As ▸ Browse ▸ Tools (beside Save) ▸ General Options ▸ Password to modify. Record the password — there is no recovery.
To undo either, open the file with edit rights and clear the same setting, then save.
If the file still opens read-only, check the file itself: right-click ▸ Properties ▸ uncheck Read-only on Windows, or Get Info ▸ Sharing & Permissions on macOS.
On a network share or SharePoint, also check that you have write permission and that nobody else has the file open.
What this does
Excel has three different things called "read-only", and they are not equally strong. **Always Open Read-Only** sets a flag in the file: every opener sees a prompt asking whether to open read-only, and anyone can answer no. **Password to modify** (Save As ▸ Tools ▸ General Options) requires a password before edits can be saved — without it you can still open and read, but not overwrite. **Mark as Final** is only a hint; one click on "Edit Anyway" removes it. Separately, the operating system's own read-only file attribute (Finder ▸ Get Info, or the Windows file Properties dialog) blocks saving over the file regardless of what Excel thinks, which is why a workbook can open read-only with none of the Excel settings turned on. Most people learn this as a sequence of clicks and forget it by next week; learning it as a pattern instead is what lets you apply it to the next, slightly different version of the problem without starting from scratch. That is the difference this page is trying to make. For “excel read only remove”, 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 cells 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 data step that keeps your analysis trustworthy useful in real work: repeatable, auditable, and not dependent on memory or luck.
A worked example
A price list several people consult and one person maintains: File ▸ Info ▸ Protect Workbook ▸ Always Open Read-Only, then Save As ▸ Tools ▸ General Options ▸ Password to modify = the maintainer's password. Colleagues open it, get the read-only prompt, read the prices and cannot overwrite the file; the maintainer types the password and edits normally. Read-only is the right control when a workbook is meant to be consulted by many and maintained by one — but only the modify-password variant actually enforces that. If there is any chance you will reuse this, drop it into a small template tab right now: a labelled input area on the left and the formula beside it, checked once against the tool above. Next time the same question comes up, the answer is a single paste away instead of a rebuild from memory.
In Google Sheets
Google Sheets handles this almost identically to Excel. The formula syntax above is the same, and the menu lives under a slightly different label rather than a ribbon tab. Use the platform toggle at the top of the page to switch every keyboard shortcut between Windows and Mac, and expect at most cosmetic differences in naming. The aim was to get you unstuck fast and leave you a little more capable than a copy-paste would. The answer is at the top, the tool proves it, and the detail above shows why it holds — so the next time a colleague asks, you can answer without reaching for search. If you take one thing from this page on “excel read only remove”, make it the habit rather than the keystrokes: set the problem up with labelled inputs, reference those cells, and let Excel do the recomputing. Bookmark the page for the syntax, but do the example once in a blank sheet and check it against the tool above — five minutes of hands-on practice fixes the method in memory far better than re-reading, and it surfaces the small snags while they are still harmless. After that the technique is genuinely yours: faster than searching for it again, and reliable enough to drop into work that other people depend on.
Common mistakes
- Trusting Mark as Final as protection — it is a label, and "Edit Anyway" removes it in one click.
- Confusing "Password to open" with "Password to modify": the first stops people reading the file at all.
- Setting a modify password and losing it — Excel cannot recover it, and the workbook can then only be read.
- Blaming Excel when the read-only flag is on the file or the folder permissions, where no Excel setting will change anything.
- Assuming read-only protects the numbers: anyone can save a copy under a new name and edit that freely.
Frequently asked questions
How do I make an Excel file read-only?
File ▸ Info ▸ Protect Workbook ▸ Always Open Read-Only for a prompt, or Save As ▸ Tools ▸ General Options ▸ Password to modify to enforce it.
How do I remove read-only from an Excel file?
Open it with edit rights and clear the same setting you set, then save. If it was the file attribute, uncheck Read-only in the file's Properties (Windows) or fix permissions in Get Info (macOS).
Why does my Excel file open as read-only when I did not set it?
Usually the file or folder is marked read-only by the operating system, the file is open by someone else on a shared drive, or it came from the internet and is in Protected View.
Is read-only the same as protecting a sheet?
No. Sheet protection locks cells inside a workbook you can still save; read-only governs whether the file itself can be overwritten.
Other ways people ask this
This is also commonly searched as “remove read only excel” and “how to remove read only on excel”. They describe the identical operation, so you are in the right place no matter how you phrased it.
Why do people search for this in so many different ways?
Because the same task has many names. “remove read only excel”, “how to remove read only on excel” all point at the one operation explained on this page, which is why they all lead here.