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VSTX to MHT converter

Convert VSTX to MHT online from any device with a free converter.

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We have already processed 5,840,303 files with total size of 9,551,146 Mbytes

About Conversion app

Convert VSTX to MHT files online with our free converter app. No matter your platform — Windows 10, Mac, Android or iPhone — you can convert VSTX files rapidly.

This app supports document, audio, archive, image and video conversions. We support a wide range of popular file formats, including PDF, Word, Excel, and PowerPoint, as well as specialized formats like DWG, STL, MD, and more. Batch conversion is available for archive files

To change VSTX to MHT just upload your file, pick the output format and hit the Convert button. After the conversion is finished, download your MHT file instantly. No email needed.

Check our video
VSTX

Microsoft Visio File Format

The VSTX file format is a template file used by Microsoft Visio, a diagramming and vector graphics application, to store predefined settings, layouts, and shapes for creating diagrams. It is primarily used with Microsoft Visio but can also be opened by other diagramming tools like Lucidchart or LibreOffice Draw with limited compatibility. The format is based on the Open Packaging Conventions (OPC) and stores XML-based data, enabling advanced features such as custom stencils, themes, and reusable templates for streamlined diagram creation.

MHT

MIME Encapsulation of Aggregate HTML

MHT is a file format used to save web pages as a single file, combining HTML, images, CSS, and other resources into one archive for easy storage and sharing. It is supported by web browsers like Internet Explorer and Microsoft Edge, as well as tools like Microsoft Word and specialized MHT viewers or converters. The format uses a MIME structure to embed all web page elements, including text and binary data, into a single file, often encoded in Base64, enabling offline access and preservation of web content.

Add the conversion API to your app

  • Convert over 200 file formats — including PDF, Word, Excel, HTML, images, and many more
  • Load files from disk, URLs, FTP servers, or cloud storage (such as Amazon S3 or Azure)
  • Customize output settings — rotate and reorder pages, add comments, or apply watermarks
How it works

How to convert VSTX to MHT

Step 1
Click inside the file drop area to upload VSTX file or drag & drop VSTX file.
Step 2
Click on Convert button. Your VSTX files will be uploaded and converted to MHT result format.
Step 3
Download link of result files will be available instantly after conversion.
Step 4
You can also send a link to the MHT file to your email address.
FAQ

Questions & Answers

Other Supported Conversions

You can also convert VSTX into many other file formats. Please see the complete list below.

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