Convert Outlook OST File to HTML: Expert Guide

When dealing with Microsoft Outlook, one of the most common tasks users face is the need to convert an Outlook OST file to an HTML format. This is mainly useful if you want to view your emails in a browser or create an easily accessible backup. Thus, the individual wants to move their essential data from OST to HTML.

In this complete blog, we’ll walk you through everything you need to know to successfully change your Outlook OST file to HTML, including the reasons for conversion. Also, you will get the best solution OST to PST Converter to convert OST to HTML frequently.

Why Do We Need to Convert OST To HTML Format?

There are several reasons why you may want to move an OST file to HTML. Here, we will mention some to them to understand the need to export OST To HTML Format:

FeatureDescription
AccessibilityHTML files can be opened in any web browser, making emails easy to share or access without needing Outlook.
Long-term StorageHTML is a good format for preserving emails as permanent records.
Portability & BackupHTML files are small, portable, and easy to back up, making them ideal for quick email backups.
Web IntegrationHTML allows direct display of email content on webpages without converting to PDF or other formats.
Digital Platform IntegrationEasily integrate email data into websites, blogs, or other digital platforms using HTML.
Ease of Display & ReviewHTML files are easier to display and review compared to raw OST files.
Outlook DependencyOST files require Outlook and specific configurations, while HTML removes the need for Outlook.

Now, you know that converting OST to HTML format can increase accessibility, portability, and security. Also, it facilitates data sharing and long-term preservation. As Outlook does not provide any direct solution to convert OST File Mailboxes to HTML web pages, we will move to a reliable solution to accomplish the task in just a few steps. 

Quick and Simple Solution to Convert OST to HTML

The OST to PST Converter is a top-notch and risk-free solution to convert OST to HTML with attachments. With the help of this utility, you can choose specific folders to convert in HTML, rather than converting the entire OST file.  It is compatible with most versions of Microsoft Outlook, including the latest ones. So, you can change any Outlook version of an OST file into HTML with just few clicks. This utility can handle large OST files without any performance issues. Also, it has some additional features which we will elaborate on in the next section. After that, we will learn the steps of the software as well.

Proficient Key Features of the Software:

Here are some of the main built-in features of the software:

  • It allows the conversion of multiple OST files at once for users with large amounts of data.
  • Along with HTML, it can convert OST files into various formats like MBOX, EML, MSG, PDF, PST, and others.
  • It offers a preview of all OST file items like emails, contacts, calendars, tasks, notes, etc., before conversion.
  • Option to select specific items (emails, contacts, calendars) to change OST to HTML.
  • Also, it has the option to split large PST files into smaller ones during the conversion process.
  • Moreover, It preserves email properties (such as To, Cc, Bcc, Subject, etc.) and folder hierarchy during the conversion.
  • This tool supports all versions of Microsoft Outlook (including 2019, 2016, 2013, etc.) and Windows OS.
  • It can export OST data directly to cloud platforms like Office 365 and Live Exchange Server.
  • It comes with an easy-to-use interface which is suitable for both technical and non-technical users.
  • It allows filtering the OST data within a specific date range for more accurate conversion.
  • Along with that, you will get the option to convert OST files with or without attachment
  • A free trial version is also available to convert a limited number of OST files for free. 

Simple Steps to Convert OST to HTML With Attachments

  • Firstly, launch and run the DRS OST to PST Converter on your screen.
  • Click on Select File/ Select Folder to add the desired HTML file.
  • Now, it shows the selected OST content in the preview panel >> Next.
  • Next, pick the HTML as the saving format of the resulting OST file.
  • Then, enter the appropriate location to save the resultant HTML file.
  • Additionally, you can go for the additional features of the software. 
  • Lastly, tap on the Convert Button to convert OST to HTML Format.

Also Read: Convert OST Files to CSV.

Final Words

In this complete blog, we have discussed the all-in-one solution to convert OST to HTML in a hassle-free manner. It is a reliable and secure tool that maintains data integrity and avoids potential risks. This software can frequently transform OST data into readable HTML files. It is beneficial even for large volumes of OST files. Moreover, you do not need an understanding of technical things to use this software. In case, you face any issue, you can frequently connect to our tech support team. This utility authorizes users with greater flexibility to manage and view their Outlook data.

About The Author:

Pradeep is an expert with over 2 years of experience in email migration, email recovery, and file conversion. He has a passion for helping users by sharing easy-to-understand solutions for common technical challenges across different platforms. Known for breaking down complex tech topics into simple, enjoyable content, Pradeep's work has earned recognition in several well-known tech blogs. His straightforward approach and reliable guidance have made him a trusted source for both tech enthusiasts and beginners looking to resolve their technical issues.

© Copyrights 2018-2025 DRS Softech - All Rights Reserved.