Home » MS Outlook » How to Backup and Restore Outlook OST File? Smart Methods

MS Outlook stores all users’ profiles mailbox copies in data files (like- PST and OST files). Situations like- file corruption, synchronization problem, or others make these files inaccessible in Outlook. As a result, to handle this issue, the user needs a solution to Backup and Restore Outlook OST File. Now let’s see, “how to perform this job” by reading this article here.

Why take a backup of Outlook OST files?

There are several reasons behind this, some of them are:-

  • Recover Accidently Deleted Data:- Backup of OST files helps users in recovering accidentally deleted items in Outlook.
  • Transfer data from one computer to another:- Easily moving Outlook profile data from one computer to another is possible with the backup of OST files.
  • Resolve corruption errors from Outlook:- Backup of OST files also helps users to resolve corruption errors from OST files. (This job a user can do by configuring a new profile and importing previous data with backup files.)

Also Read:- How to Open OST file Without Outlook? Direct Method

Backup Outlook OST file from MS Outlook Manually

MS Outlook offers an inbuilt function of creating a backup of the user’s mailbox/profile data. But this manual method is only workable with healthy OST files. You can use this method if you have healthy OST files that work perfectly in Outlook.

Follow the simple steps shown below to create a backup Outlook OST File:-

  • Launch MS Outlook on your computer.
  • Select your profile and click the “File” button from the menu bar.
  • Choose the option “Open & Export” >> Import/Export.
  • From the “Import and Export Wizard” window, select “Export to file” option & click on “Next”.
  • In “Export to File” window, choose “Outlook Data File (.pst)” & again hit on “Next”.
  • Now click on “Browse” button to choose a location for saving backup file and press “Finish” button.

By applying these easy steps users can easily take backup of their mailboxes from healthy OST files.

Quick Method to Backup and Restore Outlook OST files

Facing problems while taking backup of mailboxes manually, then try the automated tool Enstella OST to PST Recovery tool. This tool will help users to backup and Restore Outlook OST File without Outlook requirements.

This utility is designed to restore Outlook OST files and make them healthy again easily. It can recover data from corrupt/orphaned/ encrypted or inaccessible OST files with ease. Without any problem, this OST recovery tool will restore all data from OST file. In addition, it will also backup OST file data to new PST, EML, EMLX, MSG, and many more formats.

How to Backup and Restore Outlook OST file?

Download and install Enstella OST to PST Recovery Software on a windows-based machine, and follow the below steps.

  • Launch OST to PST Converter Software and press “Select OST” button.
  • Select a file selection mode from the options: –
    • Single OST File Conversion: – Select a single OST file for recovery or backup process
    • Bulk OST File Conversion: – Add multiple OST files in the software and create OST file backup in bulk.
  • Select and add OST files in the software and hit the “Start Scanning” button.
  • Scan OST file to fix all corruption errors and load all OST mailbox items.
  • Get a preview of all OST file inner mailbox items and make a selection of needed folders.
  • Press “Save OST” button from the menu bar & choose “Export to PST” or other file options.
  • Apply other required settings like- Split PST, Mail filter, & saving location.
  • Lastly, click on Convert and start creating a backup of Outlook OST mailbox files.

Through this technique, users can smoothly restore data from corrupt OST files and make a backup of OST mailboxes in an easy manner.

Innovative Features of Outlook OST Backup/ Recovery Tool

  • Restore Outlook mailbox from OST, PST & NST files quickly.
  • Backup OST files to PST, EML, EMLX, MSG, HTML, ICS, vCard, MBOX, & more formats.
  • Create a backup of multiple OST files in a single process with ease.
  • Helps in resolving corruption errors from Outlook and OST files.
  • Provides preview of mailbox items from Outlook data files.
  • Recover/Export emails, contacts, calendars, and other OST mailbox items.
  • Export selective folders from Outlook OST mailboxes.
  • Filter emails by date and extract/recover Outlook emails of specific dates.
  • Split resultant PST files while creating backup by different size ranges.


Manual and automated methods are available to backup and restore Outlook OST files. Through this article, we have described the complete steps for using these methods. Now users just need to follow the steps described in the above section of this write-up. While using manual methods users may face difficulties, so the recommended method is the automated tool “Enstella OST to PST Converter“. Try a demo edition of this tool now, check all its working abilities for free.