Google Docs will email you when content is added or removed, but the setting is off by default and lives one file at a time. What to do when the doc is not yours.
How you get notified when a Google Doc changes depends on one thing: whether you can open it. If you can, Google will email you itself, through Tools then Notification settings, and you do not need edit access to turn that on. If you cannot open it, nothing will tell you anything, because there is nobody to send the email to. In between sits the case worth knowing about. A document published to the web is an ordinary public page, so a page monitor can watch it like any other address.
Open the document and go to Tools, then Notification settings. Google's help page on managing notifications lists two separate switches. Comments can be set to all comments, comments for you, or none. Edits can be set to "Added or removed content" or none. They are independent, so you can have one without the other.
This is per document: Google's help says changes to notification settings "will only apply to the file you're on", so turning it on once does not cover the rest of your Drive. It also starts switched off. Google's Workspace announcement of edit notifications, dated 19 July 2022, says the emails "detail what changes were made, when the changes were made, and who made them", and that the feature is off until somebody enables it on that document.
Permission level is where it gets more useful than it looks. You do not have to be an editor. Google's help page draws the line like this: an editor "can see the usernames of people who make changes", while a viewer "can set notifications but can't see usernames". So read-only access to somebody else's shared document is enough to be told when it moves.
Open the document
View access is enough. You do not need to be an editor or the owner.
Go to Tools, then Notification settings
The same settings also sit behind the comment history icon in the top right.
Set Edits to added or removed content
This is the switch that emails you about the document itself rather than about comments.
Set Comments separately if you want them
All comments, comments for you, or none. The two settings do not affect each other.
Repeat it on every document you care about
The setting applies only to the file you are in, so a folder of twenty documents means twenty trips through the menu.
Sheets has notification rules rather than a single switch, and they are better. You choose when to be told, either when any changes are made or when a user submits a form, and then how often, either an email right away or a daily digest. A form-linked sheet with the right-away option is the closest thing Google offers to a live alert.
The caveat is the same on both. Google warns that if there are too many edits, or the document is too large, the email "may not display all the changes". So treat the email as a signal that something moved rather than as a complete record of what moved.
| What you have | What you can get | How fast |
|---|---|---|
| A Doc you can open, even as a viewer | Email when content is added or removed | Per edit, once enabled on that file |
| A Sheet you can open | Notification rules on any change or a form submission | Right away, or a daily digest |
| A doc published to the web | A public page a monitor can read | The published page updates within a few minutes |
| A private doc nobody has shared with you | Nothing | There is no route to it, and no tool changes that |
No. A private Google document is behind a login. A monitoring tool fetching that address gets the sign-in page, and the sign-in page never changes, so the alert never fires. Asking for view access is the actual answer, and once you have it the notification settings above are open to you.
Drive will not fill the gap either. Google's page on Drive notifications lists three things it tells you about: somebody sharing a new file or folder with you, being mentioned in a comment or action item, and somebody requesting access to a file you own. Edits to a document you can already see are not among them.
This is the case where an outside monitor genuinely helps. Google's help page on publishing a file says that after publishing "you can send a new URL to anyone or embed into your website", that any change to the original "will be updated in the published version", and that the automatic update "might take a few minutes". File owners and editors can publish, and a work or school administrator can switch the ability off.
Once a document has that public address it stops being a Google Doc problem. It is a web page, and you can point a monitor at it and be told when the text changes, which is the same job as monitoring a website for a specific word. This is how you follow a published price list, a rota, a rules document or a club fixture sheet that somebody else maintains and never remembers to announce. If the site has no feed of its own, the same approach is covered in following a website with no RSS feed.
The few minutes of lag is worth planning around. The published copy is a cache of the original, so an alert on it tells you the published version changed, which is a little behind the edit itself.
There is, if you are willing to write a few lines of code, though the good triggers only work on one of the two apps. Google's documentation on installable triggers says the on edit trigger runs when a user changes a value in a spreadsheet, and the on change trigger runs when someone alters the structure of one, such as by adding a sheet or removing a column. Both of those are Sheets only. Docs gets the open trigger and nothing equivalent for edits.
The fallback is a time-driven trigger, which can run as often as every minute. Google notes that the timing is slightly randomised to spread server load, so a trigger set for 9am might fire any time in the following hour while keeping a steady 24-hour gap. Add-ons are capped at once an hour, and everything is subject to Apps Script quota limits.
Open the document, go to Tools, then Notification settings, and set Edits to added or removed content. Google will email you when anyone adds or removes text. The setting is off by default and applies only to that one file, so you have to repeat it on each document you want to follow.
Yes. Google's help page says a viewer can set notifications but cannot see the usernames of the people making the changes. An editor sees the names as well. You still need to be able to open the document.
Most likely because nobody turned the setting on for that file. Edit notifications have been off by default since Google introduced them on 19 July 2022, and sharing a document does not enable them. Drive's own notifications only cover sharing, mentions and access requests.
No. A private document is behind a sign-in page, and that is what any tool fetching the address will get. Publishing the document to the web creates a public address that a monitor can read, but only the owner or an editor can do that.
Google says the automatic update to the published version "might take a few minutes" after the original changes. So an alert on the published page is a few minutes behind the edit, which is fine for a rota or a price list and too slow for anything measured in seconds.
One last thing worth knowing if you go the monitoring route: the site you are watching can see the request, and there is a short guide to what that does and does not reveal in does a website know you are monitoring it.
Watch a published page for changes Five free, checked as often as every 60 seconds.