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Short answer: If iPhone dictation is not working in Microsoft Word, tap into the document until the cursor blinks and check it is not open read-only. Sign in to Word, since editing needs a Microsoft account. If the keyboard mic is missing in every app, turn on Enable Dictation in Keyboard settings.

Free to start Dictate into any app on your Mac or iPhone — hold a key, speak, release. Download for MaciPhone

Microsoft Word on an iPhone is where a lot of real work gets finished away from the desk: a paragraph added to a report on the train, comments answered between meetings, the first draft of a letter while you walk. Thumb typing a page of text is slow, so dictation is the obvious way to do it. Which makes it frustrating when you open a document and there is no keyboard at all, or the mic key is missing, or Word's own Dictate button is greyed out, or your words appear in red with a line through the old text.

Two things explain most of these reports. First, Word opens many documents in a state where they cannot be edited: read-only files, attachments, older formats, protected documents, files shared with you as view-only, or any file at all if you are not signed in. On an iPhone, dictation lives in the keyboard, and the keyboard only appears when there is something to edit. No editing means no mic. Second, there can be two different microphones in Word, one belonging to your keyboard and one belonging to Microsoft, and they fail for completely different reasons. This guide works through both in the order that finds the problem fastest. If dictation is failing in every app on your phone, start with our full guide to iPhone dictation not working and come back for the Word-specific parts.

First, which microphone did you tap?

There are three microphones you might have used in Word on an iPhone, and each one has a different owner.

The mic key on Apple's keyboard

This is Apple dictation, shown on the standard iPhone keyboard. It works in any app with a text field, and Word does not need to give it permission. If the keyboard is up and the cursor is in the document, it types wherever the cursor is.

Microsoft's Dictate button

Depending on your version of Word and your account, Word may show a Dictate microphone of its own, typically for Microsoft 365 subscribers. It is a Microsoft service with its own requirements: a signed-in account with a qualifying subscription, an internet connection, Microsoft's privacy settings for connected experiences, and microphone permission for Word in your iPhone's Settings. If you have never seen this button, do not spend time hunting for a setting to switch it on. The keyboard mic does the same job in any document you can edit.

The mic on a third-party keyboard

If you use a keyboard such as Voice Keyboard Pro or Gboard, its mic uses that keyboard's own transcription service and settings. Third-party keyboards usually need Full Access turned on to use the microphone, and work accounts can block them inside Word entirely.

The fixes barely overlap. Subscribing to Microsoft 365 does nothing for the keyboard mic, and turning on Enable Dictation in iOS does nothing for Microsoft's button.

The 30-second Notes test

Before changing any settings, open the Notes app, start a new note, tap the keyboard mic and say one sentence.

The 10 fixes, in order

1. Tap into the text until the cursor blinks

This is the most common cause. Dictation types at the cursor, so there has to be one in the body of the document. When Word opens a file, it does not always place a cursor or show the keyboard. Tap directly on a line of text, or just after the last word, and check that the keyboard slides up and a cursor is blinking where you want your words.

Be careful what you tap. A picture, a shape, a text box, a chart or the border of a table can select that object instead of placing a cursor. Tapping the top or bottom margin can open the header or footer for editing, so your words land there instead of in the body. If you have used the Draw tab, a pen may still be active, and taps become ink rather than a cursor. Switch back to the regular editing tools before you try again.

Watch where focus is, too. If the Find bar, a comment box or a menu is open, the keyboard types there. Close anything that is open over the page, tap back into the text and try again.

2. Sign in, and check which account is signed in

On an iPhone, Word needs you to be signed in with a Microsoft account to create and edit documents. Without one, you can open and read files, but you cannot change them, which means no keyboard and no mic. A free Microsoft account is enough for basic editing on a phone. Some features, including Microsoft's own Dictate, depend on a Microsoft 365 subscription.

Tap your profile or account icon in Word to see who is signed in. People with both a personal and a work account often open a work document while signed in to the personal one, or the reverse, and end up with no edit access. Sign in with the account the document belongs to, then reopen it.

3. Get the document out of read-only

Look near the top of the document for a Read-Only label, a banner, or a message offering to save a copy. Any of these means Word will not accept typed or dictated text in this file. The usual reasons are:

If typing on the keyboard also fails, this is almost certainly the cause, and dictation will start working as soon as typing does.

4. Check sharing permissions and storage

Files stored in OneDrive or SharePoint can be shared with view-only or edit permission. A view-only link opens the document and lets you read every word, but nothing you type or dictate will be accepted. Ask the owner to share it with edit permission, and make sure you open it while signed in to the account they shared it with.

Storage is the other thing to check. When a Microsoft account runs out of OneDrive storage, files stored there can become read-only until you free up space or add more. If you have seen a storage warning and nothing types, check your storage in your Microsoft account. Files kept in other cloud services follow that service's rules, so a file that opens read-only from one location may behave normally once saved to OneDrive or to your iPhone.

5. If your keyboard will not appear in Word, check work policies

If your iPhone is managed by your employer, or Word is signed in to a work account, your organization may apply policies to Word and other Microsoft apps. Those policies can restrict which keyboards are allowed inside the app. When third-party keyboards are blocked, your custom keyboard switches back to Apple's keyboard every time you tap into a Word document, while it keeps working everywhere else on the phone. Policies can also restrict dictation itself, so the mic key can be missing in Word while it works in Notes.

There is no setting on your side that overrides these policies. If you need a particular keyboard or dictation in a work document, ask your IT team what is allowed. In the meantime, Apple's keyboard mic may still work if dictation is not restricted, and you can dictate a draft in another app and paste it in if the policy allows copying between apps. We cover the same issue in more detail in our guide to iPhone dictation not working in Outlook, since Outlook and Word are usually managed together.

6. If Microsoft's Dictate is greyed out or missing, fix the Microsoft side

Everything in this fix is about Microsoft's own Dictate button. If you were using the keyboard mic, skip ahead.

7. Bring back a missing mic key

If there is no microphone on your keyboard in any app, the fix is in iOS, not Word.

Our guide to the mic button missing on the iPhone keyboard covers each of these in more detail.

8. Stop dictation cutting off when you pause

Apple dictation can end a session after a short silence, and it has limits on how long a single session runs. In a document, where you naturally stop to think between sentences, this looks like dictation "not working" halfway through a paragraph. Tap the mic again to continue from where the cursor is. Deciding roughly what you want to say before you tap, and dictating one paragraph at a time, makes it much less disruptive. Our guide to iPhone dictation cutting off when you pause explains this behavior.

9. Check the microphone and audio route

If the mic key appears but dictation hears nothing, check where the audio is going. AirPods and other Bluetooth headsets can take over as the microphone, and a headset that is connected but sitting in a case or a pocket will hear very little. Disconnect it and try the iPhone's built-in microphone. If you are on a call, recording a voice memo, or another app is using the microphone, dictation may not start at all. End those first. Our guide to iPhone dictation not working with AirPods covers headset problems.

10. Update, restart and reopen the file

If nothing above helped, update Word from the App Store, then force-quit it by swiping it away in the app switcher and reopen it. If the problem started after an iOS update, restart the iPhone too. As a last step, sign out of Word and sign back in, or delete and reinstall the app. Documents stored in OneDrive stay in your account, but make sure anything saved only on the phone, or edited offline, is safely stored and synced before you reinstall.

Word quirks that look like broken dictation

Some behavior feels like a fault the first time, but it is simply how Word handles text.

Your words appear in color. If Track Changes is on, everything you type or dictate is recorded as a tracked change, usually in color and underlined, with deleted text struck through. Your text is there, just marked up. Turn off Track Changes from the Review tab if you want plain text, or accept the changes later.

New lines become new bullets or numbers. In a bulleted or numbered list, saying "new line" inserts a Return, and Word continues the list. That is useful for lists and awkward for paragraphs. Start prose on a plain line outside the list.

Tables take one cell at a time. Dictation types into the cell with the cursor and does not move on by itself. Tap the next cell, then dictate again.

Words change after you speak them. Word's own AutoCorrect and capitalization rules apply to dictated text just as they do to typed text. If one word keeps changing after it lands, check Word's AutoCorrect options rather than your dictation settings.

Words repeat, jump or disappear. Apple dictation types your words as you speak, then revises them as it hears more of the sentence. Word saves your changes as you go when AutoSave is on. In long documents, or files others are editing at the same time, some people see a phrase appear twice, the cursor jump, or a word vanish as dictation revises it. Dictate in shorter bursts and wait a moment before tapping elsewhere. Our guide to iPhone dictation deleting text explains why this happens.

The wrong language comes out. Apple dictation follows the language of your current keyboard, not the language set in Word. If you switch between languages, check which keyboard is active before you tap the mic. Microsoft's Dictate has its own language choice in its settings.

Quick triage table

What you seeMost likely causeFix
Tapping the text brings up no keyboardNo cursor placed, or an object, header or pen selected1
Can read the file but not change itNot signed in, or signed in to the wrong account2
Read-Only label or save-a-copy promptAttachment copy, older format, protected file or PDF3
Nothing types in a shared fileView-only link or OneDrive storage full4
Custom keyboard switches back in Word onlyWork policy blocking third-party keyboards5
Dictate button greyed out or missingVersion, subscription, privacy setting, mic permission or network6
No mic key in any appDictation off, Screen Time, other keyboard or managed device7
Stops partway through a paragraphDictation ended on a pause8
Mic shows but hears nothingBluetooth headset, call or another app holding the mic9
Words in color with strikethroughsTrack Changes is onQuirks

Dictation works in Word on my Mac, so why not on iPhone?

On a Mac, you start Apple dictation with a keyboard shortcut, and it types into any document with a cursor. On an iPhone, dictation lives inside the on-screen keyboard. If Word does not show the keyboard, because the file is read-only, you are not signed in, or nothing has focus, there is no mic to tap. That is why the same document can accept dictation on your Mac and refuse it on your phone. Work policies are also often stricter on phones than on computers. If you are troubleshooting the desktop app instead, our guide to dictation not working in Microsoft Word on Mac covers it. For the same problem in Google's editor, see iPhone dictation not working in Google Docs.

A workflow that suits editing documents on a phone

Once dictation is working, a few habits make Word on an iPhone much more useful.

Talk first, format later. Speaking runs at roughly 130 to 150 words per minute for most people, much faster than thumb typing and faster than the 40 words per minute the average adult manages on a full keyboard. Dictate the substance of a section in one pass, then add headings, styles and formatting on your computer, where it is easier.

Dictate new paragraphs, not edits inside old ones. Placing a cursor precisely in the middle of a sentence on a small screen is fiddly. It is often faster to dictate a replacement paragraph below the old one and delete the old one afterwards.

Read back names and numbers straight away. Names, figures, dates and technical terms are the words dictation gets wrong most often, and in a report or contract they matter. Read each paragraph back while you still remember what you said.

A keyboard built around dictation

Most of the problems above come from Apple dictation's habits: stopping when you pause, revising words while Word saves them, and leaving you to fix mistakes with a tiny cursor.

Voice Keyboard Pro is a custom iPhone keyboard with a built-in mic button for dictation in any iOS app, Word included. Tap into the document, tap the mic, speak, and your text is added at the cursor. Because it is a keyboard rather than a feature of one app, it works the same way in Word, Mail, Notes and everywhere else you type, and it does not depend on a Microsoft 365 subscription.

A few features fit document work particularly well:

Two honest caveats. Setting it up means adding the keyboard in Settings and allowing Full Access so it can reach the transcription service. Our guide to enabling Full Access for an iPhone keyboard explains what that permission does. And if your organization blocks third-party keyboards in managed apps (fix 5), Voice Keyboard Pro will be blocked in work documents the same way any other keyboard is. It will still work everywhere else on the phone.

On privacy, our servers store only operational pings. No audio and no transcript content is stored. There is a free tier with daily limits, and Pro is $4.99 a month or $34.99 a year.

Frequently asked questions

Does Word for iPhone have its own dictation?

Depending on your version and account, Word may show a Dictate button for Microsoft 365 subscribers. If you do not see one, use the mic on your keyboard. It works in any Word document you are able to edit.

Why can I open a Word document on my iPhone but not type in it?

Word is treating the file as read-only. The usual reasons are that you are not signed in, you opened it from an attachment or preview, it was shared with you as view-only, it is protected by its author, or it is an older format that needs converting. Fixes 2, 3 and 4 cover each one.

Do I need a Microsoft 365 subscription to dictate in Word on iPhone?

Not for the keyboard mic. Apple dictation, or a third-party keyboard's mic, works in any document you can edit, and a free Microsoft account is enough to edit on a phone. Microsoft's own Dictate button is the part tied to a subscription.

Why does my custom keyboard disappear when I open Word?

Your organization is probably applying a policy to Word that blocks third-party keyboards in managed apps. Word falls back to Apple's keyboard. Ask your IT team if you need a different keyboard for work documents.

Why does my dictated text show up in color?

Track Changes is on, so your words are recorded as tracked changes. They are not lost. Turn off Track Changes in the Review tab, or accept the changes when you are done.

What to do next

Run the Notes test, then tap into the document until the cursor blinks and check for a Read-Only label. Those steps resolve most Word dictation problems on iPhone. If you can read but not edit, sign in with the right account or save an editable copy. If your keyboard keeps switching back only in Word, it is a work policy. If dictation stops partway through, dictate one paragraph at a time.

And if you want one dictation mic that behaves the same way in Word and every other app on your phone, Voice Keyboard Pro has a free tier. Add the keyboard, open your document and say the next paragraph.

Voice Keyboard Pro
Hold your key · Speak · Release

The words land at your cursor in whatever app you are already in — Mail, Slack, Word, a browser form. No dictation window, nothing to copy across.

Free forever for casual use · Apple Silicon & Intel