How to Check Grammar in Selected Text in Microsoft Edge

The short answer

Select the text, press Ctrl+C, open a scratch field — a blank email draft, or a plain textarea on any page you control — paste, run your grammar check on that field, copy the corrected result, and paste it back over the original selection. That takes about twenty seconds and it works in every editor in Edge, including the ones where extensions misbehave.

The reason you need that workaround is structural, and it applies to most tools in this category rather than to one product. Extensions read and write the value of a text field. Browsers do not expose 'the current selection inside this field' as a thing an extension can correct in place and reliably write back, particularly in contenteditable editors where a selection is a pair of DOM positions rather than a character range. So tools correct the whole field and let you decide what to keep.

Installing from the Chrome Web Store in Edge

Edge is Chromium-based, so Chrome extensions run in it. The step people miss is the toggle that permits installs from outside Microsoft's own store.

1. 1

   Open edge://extensions

   Type it into the address bar, or go to Menu (three dots) → Extensions → Manage extensions.

2. 2

   Turn on 'Allow extensions from other stores'

   It is a toggle near the top of the page, next to Developer mode. Edge shows a confirmation prompt the first time you enable it.

   If the toggle is missing or greyed out, your Edge profile is managed by an organisation and an administrator policy is blocking side-loading. Nothing you do locally will change that.

3. 3

   Open the extension's Chrome Web Store page

   With the toggle on, the store's install button works in Edge. Edge may show a banner reminding you the extension comes from another store; that banner is informational, not an error.

4. 4

   Confirm the permissions dialog

   Read what it asks for before you accept. The dialog lists site access and any permissions the extension declared. See the permissions section below for how to audit it afterwards.

5. 5

   Pin the icon

   Click the puzzle-piece icon in the Edge toolbar and pin the extension so it stays visible. An unpinned extension still works but is easy to forget about.

One Shot Fix installs this way and appears in the Edge toolbar. It is invoked by clicking that toolbar icon — there is no keyboard shortcut, no entry in Edge's right-click menu, and no floating button over your selection. That matters for the workflow below, because it means you cannot trigger a correction on a highlighted range without first putting your cursor in the field that contains it.

Three ways to check part of a text field in Edge

Workflow 1 is the one to learn. It is slightly more effort and it never surprises you, which is the trade that matters when the text is a job application field, a client message or a support reply you cannot retract.

The isolate-and-correct method, step by step

1. 1

   Make a scratch field you can write to

   The simplest reliable option in Edge is a blank page with a textarea you control, or a new draft in a mail client you are already signed into. Do not use a search box on someone else's site — some of them clear on blur.

2. 2

   Copy the exact selection

   Select the sentences you want checked and press Ctrl+C. Copy enough surrounding context that the grammar is interpretable — a clause on its own will often be flagged as a fragment when it is fine in place.

3. 3

   Paste into the scratch field and click into it

   The field must have focus. That is what determines what gets corrected.

4. 4

   Copy the original again before you correct

   There is no undo after Apply. Paste the untouched original into a second scratch note so you have a clean copy to fall back on.

5. 5

   Click the One Shot Fix toolbar icon

   Read the corrected text in the popup. Check that any names, numbers, dates and identifiers in your selection came through unchanged.

6. 6

   Apply, copy the result, and paste it back over the original selection

   Back in the original field, re-select exactly the text you copied out and paste. Re-selecting the same range is what keeps the surrounding content intact.

   In a rich-text editor, pasting can bring formatting with it or drop it. Use Ctrl+Shift+V for paste-without-formatting where the editor supports it, and check the result before you move on.

What it looks like on a real paragraph

A support draft in Edge. The first two paragraphs were already sent in an earlier reply and must not change; only the third one needs checking. This is exactly the case where correcting the whole field would be wrong.

Had this been run as a whole-field correction on a longer draft, the already-sent paragraphs would also have been rewritten, and the risk would not be grammar at all — it would be a reply that no longer matches what the customer received earlier.

What works in Edge, and what does not

Edge's extension host is Chromium's, so field support is essentially Chrome's. The differences are in Edge-specific surfaces and in the sites Microsoft bundles its own editor into.

What the extension can see in Edge

Permissions in Edge are the same manifest permissions Chrome uses, and you can audit them after install without reading any code.

• Go to edge://extensions and turn on Developer mode if it is off.
• Click Details on the extension.
• The Permissions section lists what it declared. The Site access section shows whether it can run on all sites, on sites you visit, or only when you click it.
• Set Site access to 'On click' if you want the extension to be unable to touch a page until you invoke it. This is the single most useful privacy control in the browser, and almost nobody changes it.

For One Shot Fix specifically: the correction is not performed in the browser. When you click the toolbar icon, the text in the focused field is sent to our own backend API, the corrected text comes back, and the popup shows it to you before anything is written. It is English only, there is no selection-only mode, and there is no undo after Apply. If you want the details and the retention position in writing, that is on our privacy page rather than in a store listing.

Where this breaks down

Try it in Edge

Frequently asked questions