If you want to view Outlook emails without using any emailing application then saving them into HTML format is helpful. Magus OST to HTML converter can convert multiple emails from Outlook into HTML format in bulk so that you can open, view and read the Outlook mails on any preffered web browser like, Chrome, firefox, Edge, Safari, etc. It is also easy to send an HTML file as an attachment via mail.

  • Bulk conversion of Microsoft Outlook emails into HTML
  • Software creates HTML file with proper formatting & attachments
  • Support all type browsers to open and read the HTML files
  • Multiple file naming options available to save the .eml files
  • Alongwith HTML; option to save mails into MBOX / EMLX / EML and MSG formats
  • OST to HTML tool keeps the OST folder structure intact while saving it to HTML


Current Version: Version 2.2

Last Updated: 30th July 2023

100% Safe and Secure

All Features of OST to HTML Converter

Convert OST File into HTML

Effortlessly transform OST files into HTML format with our efficient Magus OST to HTML converter. Maintain email content, formatting, and attachments seamlessly. No installation needed. Simplify your file conversion process today.

Convert Large OST File into HTML

Efficiently convert large OST files to HTML format using Magus OST to HTML conversion tool. Software does not impose any size restriction and you can export any size of OST file at once using OST to HTML converter.

Batch OST Email conversion

If you want to convert multiple OST files at once then click on "select folder" button to choose a folder having multiple OST files. Software will read all the OST files one by one and export entire emails present in it to HTML format in batch.

Multiple File Naming Option

Choose from a variety of naming options for multiple files proivdes by OST to HTML converter. It will help you to customize how your converted files are labeled for better organization and convenience. Simplify your file management process with our flexible naming choices.

Maintains Folder Structure

MS Outlook OST to HTML converter keeps the folder hierarchy of OST file intact while saving the emails in .html format. All the emails present within a OST will be saved in their respective folders at the destination location.

Multiple Conversion Option

With Magus OST conversion tool provides the option to convert OST file into EML, MBOX and HTML file format as well. This makes the OST to HTML converter an all in one solution for Outlook email migration.

System Requirements

Know what all you need to use Magus OST to HTML Conversion Tool

Trial Version:

The trial version of Magus OST to HTML Conversion Tool will let you convert not more than 15 items from each folder of OST file. For complete unlimited conversion you have to purchase the license version.

System & Hardware Requirements
  • Minimum 512 MB RAM
  • Minimum 1 GB of free Hard disk space
  • Processor: Pentium Class
Compatible with Windows PC:
  • Windows Vista (32 and 64 bit) SP1
  • Windows 7 (32 and 64 bit)
  • Windows 8 (32 and 64 bit)
  • Windows 10 (32 and 64 bit)
  • Windows 11 (32 and 64 bit)
Compatible with MS Outlook:
  • Microsoft Outlook 2003® SP3
  • Microsoft Outlook 2007® SP2
  • Microsoft Outlook 2010® (32 and 64 bit)
  • Microsoft Outlook 2013® (32 and 64 bit)
  • Microsoft Outlook 2016® (32 and 64 bit)
  • Microsoft Outlook 2019® (32 and 64 bit)
  • Microsoft Outlook 2021® (32 and 64 bit)

Screenshots OST to HTML Converter

Personal License

Business License

Enterprise License

$49 $29

$99 $79

$199 $149

Single User License

Suitable for upto 2 users / machines

24x7 free lifetime technical support

Lifetime free product upgrade

Multiple User License

Suitable for 2+ Users / Small business

24x7 free lifetime technical support

Lifetime free product upgrade

Enterprise User License

Suitable for big companies or organizations

24x7 free lifetime technical support

Lifetime free product upgrade

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Frequenly Asked Questions

Q: Can i convert multiple OST files at a time?

A: Yes, you can convert multiple OST files in a go. You can right click on "select folder" button to add multiple OST files at once.

Q: My OST file is corrupt. Can i still convert it into HTML?

A: Yes, you can export the corrupt OST file into HTML file format without any data loss.

Q: Is there any limitation on OST file size?

A: No, the software does not impose any limitations on OST file size. You can smoothly convert huge OST files of any size into HTML with our wizard.

Q: Can i convert Outlook 365 OST file into HTML?

A: Yes, you can convert OST from MS Outlook 365 as well as other Outlook versions like Outlook 2019 or any other MS Outlook that you have. Software supports MS Outlook 2021, 2019, 2016, 2013, 2010, 2007, 2003 and all below versions.

Q: Does the software extract all emails from Outlook?

A: Yes, OST to HTML converter can read all the emails present in an Outlook OST file and convert them to HTML format.