How to Export IMAP to PST Using MS Outlook

Email service applications like Gmail, Yahoo, Outlook, etc. saves the mailbox data in the local system in OST format when configured with IMAP in email applications like Outlook 2010 and latest versions. IMAP is flexible to delete or to move the emails without downloading them into the system. The changes made from any device will automatically reflect on all the devices. However, just like others, IMAP data is also vulnerable to various threats. So it is highly recommended to backup IMAP mailbox to keep access to the crucial data. In this blog, we will discuss some recommended methods to export IMAP to PST (Personal Storage Table) format. We will provide a manual method using the MS Outlook program and automated IMAP Backup Tool for a quick backing up process. 

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Why There is a Need to Backup IMAP Emails?

When the user configures Outlook with IMAP email server, it stores a copy of IMAP mailboxes in the OST format. The user can continue working on their mailbox under the offline mode as well. But what if the OST files get corrupted or accidentally removed? Then, the user would not be able to access the IMAP data without establishing a connection to the mailing server. So it is quite necessary for users to regularly backup their IMAP data. 

Manual Method to Export IMAP to PST Using Outlook

To export IMAP mailbox to PST file format manually, the user needs to install Microsoft Outlook application in the system. Outlook facilitates with an import/export option to export the offline OST files to the PST format of Outlook. However, we will suggest the user create a copy of the data to be exported as there might be a risk of human error under the manual process.Then, follow the steps provided below.

  1. Sign in to your Outlook account.
  2. Click on the File section.
  3. Go to the Open & Export section.
  4. Select Import/Export option.
  1. Now select export to a file option and hit the Next button.
  1. Select Outlook Data File and press Next.
  1. Select the IMAP folder items you want to backup and hit the Next button.
  1. Navigate to the location to save the file.

These are the manual ways to backup IMAP to PST Outlook. Also, there are several complications using the manual techniques. Some of the limitations under manual strategies are mentioned here. 


  • Backup only a single mailbox at a time.
  • More time consuming process.
  • Good Outlook and technical knowledge is required.
  • Risk of human errors and data loss. 

Export IMAP to PST Outlook Using DRS IMAP Backup Tool

Apart from the manual techniques, users can opt for any trusted and reliable automated utility to backup IMAP emails to various file formats. As we have seen there are several drawbacks using manual techniques. So users can avoid these limitations using the professional method. Using the DRS IMAP Email Backup Tool, the user is able to export IMAP mailbox to PST, PDF, MBOX, JSON, Yahoo, Office 365, Yandex mail, etc. Users can export the selected emails using the date filter feature. Users don’t require any technical expertise to run the utility. It is compatible with all Mac and Windows versions. The demo version is available for users to evaluate the performance of the software.

Salient Features

  • Export IMAP to PST, EML, PDF, MBOX, TXT, DOC, Yahoo, Office 365, Hotmail, Thunderbird, AOL, Yandex mail, etc. 
  • Allows to backup and download emails, calendar, contacts, etc. 
  • No technical expertise required to run the tool.
  • Smooth user-friendly GUI is offered.
  • The user can export emails from one IMAP account to another. 
  • Can easily backup and save IMAP email attachments. 
  • The demo IMAP email backup tool can save 50 emails for free. 


In this blog above, we have discussed the recommended tricks to export IMAP to PST Outlook. In the end here, we can conclude that manual methods have several drawbacks and some risks of data alteration or data loss. So to avoid all the limitations, users can opt for a reliable IMAP backup tool for an hassle free backing up process. 

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