How to Convert OST to PST Free Online?

How to Convert OST to PST Free Online

An OST (Offline Storage Table) file is the replica of your mailbox data on the server. This data file is created automatically when you configure your email account with Microsoft 365, Exchange Server, or IMAP. It allows you to read, draft, edit, and organize emails, even without internet or server connectivity. The changes that are done offline are then synchronized with the server mailbox when Outlook is again connected to the network. 

However, there are situations where you need to convert your OST file to PST. Common scenarios include: 

  • When you want to migrate mailbox items to another Outlook profile.
  • When you want to back up your mail items.
  • When you need to recover data from orphaned OST file.
  • When your Outlook profile is deleted. 
  • When your mail server is down due to maintenance or any other reason. 

Whatever be your situation, you can use an online OST to PST converter as it eliminates the need to install any software and allows quick conversion of the file from a web browser. In this article, we will explain about a reliable online OST converter that can convert OST to PST online for free. 

How to Convert OST to PST for Free Online?

You can convert your OST file to PST using an online OST to PST converter. Though there are various OST converters available on the internet, finding the one that is secure and reliable is not easy. Therefore, before selecting any tool, make sure to check what features it is providing. You should look for the following features when selecting an online OST converter: 

  • No Outlook installation required
  • Fast and efficient conversion process
  • Secure file upload and conversion
  • Free conversion option available
  • Maintains the original folder hierarchy
  • No Exchange Server connection required
  • Real-time conversion progress tracking
  • HTML preview before saving
  • Simple and intuitive interface

Best Reliable Online OST to PST Converter 

Stellar Online OST Converter is one of the most trusted and recommended converters. It has a user-friendly interface that makes it easy to use even for non-technical users. It allows you to convert up to 500 MB of OST file to PST for free. With its Premium version, you can convert OST file of up to 5 GB.

With the help of this online service, you can easily convert your orphaned and inaccessible OST file into PST in a few simple steps. Also, this tool maintains the structure of your mailbox data during conversion. 

Additionally, it allows you to track real-time conversion progress. It ensures complete data security and privacy as the uploaded OST file and converted PST file are deleted from the company’s server within 24 hours. 

Here’s how you can use Stellar’s online OST converter: 

  • Open any web browser on your system, such as Chrome or Firefox.
  • Now, visit the official website of Stellar Online OST Converter.
  • Sign up for an account to get started. 

  • Then, click on Upload OST File. 

  • Locate and select the OST.
  • Then, click on Open to upload the file.

  • Click on Start Conversion.

  • Once the process is complete, select Save PST file.

After conversion, you can import the converted PST file into any Outlook profile by using the Import/Export Wizard and access your mailbox data. 

Note: If you need to convert unlimited OST files without any size limitations, then you can use Stellar Converter for OST – a desktop-based OST to PST converter tool. This tool allows you to convert your data file into multiple file format such as PDF, HTML, EML, RTF, etc.  

Note: If you need to convert unlimited OST files without any size limitations, then you can use Stellar Converter for OST – a desktop-based OST to PST converter tool. 

Final Thoughts

There are several reasons why you need to convert your OST file into PST. A convenient option to convert your OST file into PST is by using an online OST converter, especially when you don’t want to install a software. Though there are several online OST converters available, selecting the right and secure one is not easy. Above, we have outlined the key factors that you should consider when selecting the online OST to PST converter. Stellar Online OST Converter is one of the most secure and reliable services that can convert your OST file to PST in a few simple steps. 


Subscribe to Our Newsletter

Related Articles

Top Trending

On This Day October 18
On This Day October 18: History, Famous Birthdays, Deaths & Global Events
Best Apps for Tracking Lost Luggage
10 Best Apps for Tracking Lost Luggage
Apps to Watch Movies
7 Apps for Watching Movies Together Remotely
Apps to Identify Songs
8 Apps to Identify Songs Playing Around You
Best AI Agents Small Businesses Can Use
10 Best AI Agents Small Businesses Can Deploy Today

Technology & AI

Best Apps for Tracking Lost Luggage
10 Best Apps for Tracking Lost Luggage
Best AI Agents Small Businesses Can Use
10 Best AI Agents Small Businesses Can Deploy Today
How to Choose Immigration Case Management Software
How to Choose Immigration Case Management Software
Basketball Video Analysis Tools Coaches Use to Review Games
6 Video-Analysis Tools Coaches Use to Review Basketball Games
Small Claims Evidence Tools to Organize Your Case
7 Practical Tools for Preparing Evidence for a Small Claims Case

GAMING

Mobile Gameplay Recording Apps
8 Apps for Recording and Editing Mobile Gameplay
Esports Legal Issues Every Player Should Understand
9 Legal Issues Every Esports Player Should Understand
Basketball Video Analysis Tools Coaches Use to Review Games
6 Video-Analysis Tools Coaches Use to Review Basketball Games
Blockchain Gaming Features
10 Blockchain Gaming Features That Give Players More Control
Twitch Alternatives for New Game Streamers
10 Best Twitch Alternatives for New Game Streamers

Business & Marketing

Crypto Token Launch Marketing
Crypto Token Launch Marketing: From Pre-Sale, TGE, Listing to Post-Launch
data risks for installing free browser extensions
9 Data Risks When Employees Install Free Browser Extensions
Crypto and Blockchain Trends to Watch
10 Crypto and Blockchain Trends to Watch in 2026
marketing books that aged well
10 Marketing Books That Aged Surprisingly Well
Registered Agent Services to Compare Before Forming an LLC
6 Registered Agent Services to Compare Before Forming an LLC

EdTech & E-Learning

assistive technology in early learning
What is Assistive Technology in Early Learning: Examples and Benefits
best typing programs for kids
10 Best Typing Programs for Kids: Free and Paid Options That Teach Real Skills
homework help apps for kids
10 Best Homework Help Apps That Don’t Do the Work for Them
combine books and apps for deeper learning
8 Ways to Combine Books and Apps for Deeper Learning
how to talk to kids about online strangers
How to Talk to Kids About Online Strangers and Chat Features

Software & Apps

Best Apps for Tracking Lost Luggage
10 Best Apps for Tracking Lost Luggage
Apps to Watch Movies
7 Apps for Watching Movies Together Remotely
Apps to Identify Songs
8 Apps to Identify Songs Playing Around You
Best AI Agents Small Businesses Can Use
10 Best AI Agents Small Businesses Can Deploy Today
Mobile Gameplay Recording Apps
8 Apps for Recording and Editing Mobile Gameplay