How do I convert an OST to PST in Outlook 365?

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This blog is for Outlook users who are wondering, ‘How do I convert OST to PST in Outlook 365?’ They may find the best and safest strategies to convert OST file data to PST file formats from this blog. It offers detailed information about the best OST to PST Converter software and the entire data conversion process.

What is OST and PST file Format? 

OST stands for “Outlook Offline Storage Table.” It is a file format used by Microsoft Outlook to store a copy of your mailbox data from an Exchange Server or an 365 account on your local computer. The purpose of an OST file is to allow users to work with their Outlook data, including emails, contacts, calendar items, and more, even when they are not connected to the internet.

PST stands for “Personal Storage Table,” and it is also a file format used by Microsoft Outlook. However, unlike OST files, PST files are used to store Outlook data locally on a user’s computer, and they are not tied to a specific server or email account. Users can create PST files to store emails, contacts, calendar items, and other Outlook data, making them useful for archiving or backup purposes.

Why need to convert OST file to PST?

Let me explain why users would need to convert OS to PST.

  • Suddenly Exchange Server Crash
  • Corruption of OST
  • Virus Attack
  • Power Failure
  • Email Migration

Best OST to PST Converter Software to Convert OST to PST in Outlook 365

Many third-party programs are available online, but SysInspire OST to PST Converter software is a professional and automatic approach to converting OST file data to PST or other file formats. It performs easily for data converting without the installation of MS Outlook and supports all the latest and earlier versions of Windows O/S. The software can convert OST files to PST file format without an exchange server. Apart from PST, users can also convert OST file into many other file formats including MBOX, CSV, Office 365, EML, EMLX, HTML, MSG, ICS, etc. This software makes the conversion process quite simple. So, try this method to Convert OST to PST in Outlook 365.

Smart Functions of SysInspire OST to PST Converter Software 

  • Convert OST file to various file formats: Office 365, PST, MBOX, CSV, vCard, EML, EMLX, HTML, MSG, ICS, and many more. 
  • Its conversion process does not require Exchange Server and Outlook installation.
  • Direct migrate OST file to IMAP Account, Office 365, Gmail.
  • Offers multiple filter options and live preview options 
  • Allows you to convert several OST files at once using the bulk file conversion option.
  • Provides a free demo function to check out the software’s conversion process; the demo can convert 25 items from each folder of an OST file.
  • Error-free performance with all current and previous versions of Windows
  • split function for minimizing the size of the resultant PST file.
  • Recover & Repair corrupted OST file
  • Allows users to convert only essential emails and folders using Email filtering option.

There are many features available that you can find in the software

What is the process of this software to Convert OST to PST in Outlook 365 

SysInspire OST to PST Converter Software includes a simple and quick OST conversion method, so you can download the software and follow the instructions below, one by one.

  • Open this software, then click the Select OST File button to add your OST file.
  • To begin the scanning process, press the Start Scanning button.
  • Select the necessary folder, then click the convert button. 
  • Select the PST file type and configure all the required details. 
  • Press the Convert button after choosing a location to store the file. 


So, Convert OST to PST in Outlook 365, any Outlook user can try this professional and automatic method without any stress, as it converts OST data to PST file without changing the data and its style. And this software does not require much hard work.

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