A file with the MHT file extension is a MHTML Web Archive file that is created in and used by Microsoft Office applications and Internet Explorer. The MTH file is an archive of a saved Web page, along with all components on the page, such as graphics and emedded objects. MHT files are treated as a single file and accessed by creating a hyperlink to the MHT file. Create an MHT file in the Microsoft Office Word word processing program.
Open the Microsoft Word application.
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Click "File" from the top navigation menu, and click "New." A new, blank document opens.
Create a Word document by typing and formatting text. Insert graphic images by clicking on the "Image" icon on the top navigation bar. A file navigation window opens to select the image file. Navigate to and click on the image, then click "Insert." The image inserts into the Word document.
Click the "File" option on the top navigation bar, then click "Save As."
Click the "Save as Type" drop-down box, then click the "Single File Web Page (.mht)" option from the list.
Type a name for the new MHT file in the "File Name" input box.
Click the "Save" button. The file saves in the MHT format.