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File Format & Compatibility

How to Fix Microsoft 365 Saving Word Documents as HTML Files

Tauseeq MagsiTauseeq Magsi Sep 27, 2026 869 views

Question details

Users are experiencing an issue where Microsoft Word saves documents as .htm or .html files instead of the standard .docx format, or documents display as web pages instead of standard documents.

How to Fix Microsoft 365 Saving Word Documents as HTML Files
Product
Microsoft 365 Word
Device & OS
not provided
Scenario
Creating, saving, or viewing a Word document and expecting a standard .docx file layout and format.
Observed behavior
Documents are either being saved with an .htm/.html file extension or appearing completely unformatted like a webpage due to an incorrect view layout.
Before you start

Verify whether your file is actually saved with an .html extension by checking the file properties, or if it is merely displaying differently within the Word application due to view settings.

Solution 1Recommended

Set the Default Save Format to Word Document (.docx)

Change Microsoft Word's default save settings to ensure all new documents are automatically saved as .docx files instead of web pages.

If your documents are genuinely being converted to .htm or .html files, Word's default save settings may have been accidentally altered.

1
Open Word Options

Launch Microsoft Word and click on the 'File' tab in the top-left corner. Then, select 'Options' at the bottom of the left-hand menu.

2
Navigate to Save Settings

In the Word Options dialog box, click on 'Save' in the left pane to access document saving preferences.

3
Change the Default Format

Locate the 'Save files in this format' dropdown menu and select 'Word Document (*.docx)'.

4
Apply Changes

Click 'OK' at the bottom of the window to apply the new settings. Future documents will now save correctly.

Set the Default Save Format to Word Document (.docx)
Converting Existing Files: This setting only applies to new saves. You will need to open any existing HTML files, choose 'Save As', and manually select '.docx' to convert them back.
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Frequently Asked Questions

Why did my Word document suddenly change to a web browser icon?

This usually happens if the default 'Save As' format in Word was accidentally changed to Web Page (.htm or .html), or if a web browser (like Edge or Chrome) was mistakenly set as your computer's default application to open Word documents.

How can I convert an already saved HTML file back to a Word .docx format?

Right-click the HTML file and choose 'Open with > Microsoft Word'. Once it opens in Word, click on File > Save As, choose your desired folder, and change the 'Save as type' dropdown to 'Word Document (*.docx)' before saving.

Does this save issue occur in Word for the web?

Word for the web automatically saves your work to OneDrive in the standard .docx format. If you are downloading a copy and it is saving as an HTML file, it is likely a browser-related download glitch. Try clearing your browser cache or downloading the file using a different web browser.

Is it possible that a Word add-in is causing files to save as HTML?

Yes, incompatible or faulty third-party add-ins can interfere with Word's save functions. You can test this by launching Word in Safe Mode (hold the CTRL key while opening Word) and checking if the default save behavior returns to normal.