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Written By Harshita Sachdeva
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Approved By
Shivam Rathore -
Updated on July 18th, 2024
When users Google search “How to back up OST files in Outlook 365,” they are shown millions of results. However, most results present methods that are outdated. Additionally, many of these articles include unnecessary information, which can hinder your reading experience. Therefore, we have written this crisp and informative article to show you the best methods in 2024 to back up OST files. Outlook OST files can be saved on your system using three methods:
There are numerous OST backup tools available on the internet, which can make it difficult for users to choose the best software. Therefore, we made it our mission to find the most optimal software to safely save your OST files to your system. With the help of our IT testing team, we thoroughly tested more than 20 programs and found the best one. The Aryson OST to PST Converter is not only budget-friendly but can easily back up all Outlook OST items to your system in a few clicks. Moreover, this software offers users many useful features and filters.
You can use the below method to back up the OST file in Microsoft Outlook 2019, 2016, 2013, and earlier versions. Follow the steps shown below:





Within a few minutes, the process will be completed and you will convert Outlook OST to PST. You can now use the PST file as a backup.
Another way of backing up an OST file is by archiving it using Outlook’s Archive feature. The below method will help you backup OST files in Microsoft Outlook 2019, 2016, 2013, and earlier versions. Please note that it will not take the backup of contacts. Follow the steps given below:


Within a few minutes, the process will be completed and the OST file will be archived into a PST file. You can now use this archived PST file as a backup.
In this concise article, we discussed the best methods of 2024 for backing up OST files in Outlook 365. The manual method is effective for small mailboxes, but for larger mailboxes, it is recommended to use the OST to PST Converter. Additionally, unlike the manual method, the automated tool maintains the data hierarchy. Ultimately, the choice of method depends on your specific needs.
About The Author:
Harshita Sachdeva, a professional technical writer at Aryson Technologies, specialize in delivering clear, hands-on documentation for data management, migration, and recovery solutions. With a meticulous, reader-first approach, I break down complex technical processes into simple, actionable content - helping IT professionals and decision-makers tackle challenges efficiently.
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