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OST to MHTML Converter

Convert your ost files to mhtml (mime html file) online & free

Drag & Drop or Choose a file

Chose OST file
To
Drop file here. 150 MB maximum file size.

No sign-up required. Your files are deleted automatically after 24 hours.


Convert to MHTML   

What did you think of your recent OST conversion? 5 (10235 Votes)

Convert Other OST File

How to Convert PDF to DOCX

  1. Click the "Choose OST File" button and select your OST.
  2. Click “Convert to MHTML”.
  3. Wait a few seconds while we convert your file.
  4. Download the resulting MHTML file instantly.

What is OST?

An OST file is a data file created by Microsoft Outlook (2005 or later), an email client and a manager; personal information. It is used to store a copy of the mailbox information; an Office 365 account, Exchange or Outlook.com. The files may contain e-mails, contacts, tasks, calendar data and other account information.


Read everything about OST file type.

What is MHTML?

An MHTML file is an archive containing all the contents of a web page. It stores the HTML of the web page, as well as related web page resources, which may include CSS, JavaScript, images and audio files. MHTML files are used primarily by web developers to save the current state of files; a web page for archiving purposes.


Read everything about MHTML file type.

More Free Online OST Tools

We have 100% free online OST tools that does not required any registrations and installations on your system, here are few popular free OST tools to View, Convert, Edit, Merge, Split, Compare and manage file metadata online from any device with a modern browser like Chrome, Opera and Firefox.

Frequently Asked Questions

❓ How can I convert OST to MHTML?

Chose or drag & drop your OST file, click Convert to MHTML, and download the MHTML file. No registration needed.

🔐 Are my files secure?

Yes, all uploads are encrypted. Your files are auto-deleted after 24 hours.

📝 Will my formatting be preserved?

Yes, our converter retains layout, fonts, and images as accurately as possible.

⏱️ How long does it take to convert OST to MHTML?

Fileproinfo converter engine works fast. You can convert OST to MHTML in a few seconds to couple of minutes for large size files with complex structure.

Convert from OST

FileProInfo support manay file formats that allow you to convert OST to 100s of file formats, without any limit, registration and downloading, 100% free and online OST converter.

100% Free ost file converter online tools. Other recommended free online ost to mhtml file converter

All converters in this list are manually verified & 100% free and working properly, however you must use these apps according to their respective terms & conditions.

# Tools License Developer
1 OST to MHTML converter Free JeDok.com
1 OST to MHTML converter Free Docpose.com
Browse all file extensions Browse all software programs Browse free online tools

This tool and page updated at: 12-Apr-2025




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