Technology

How do I Use an Old OST file in Outlook 365?

Are you worried about the solution to use old OST files in Outlook? If you are also looking for the same, please read this post carefully till the end to import old OST files into Outlook 365 using manual and OST to PST Converter.

Outlook is the most widely used email client around the world and allows you to send and receive emails for communication purposes. Outlook allows storing mailbox data in OST and PST file extensions. The OST file is created when you set up an IMAP account with Outlook on a local drive. Allows you to access email offline when you are not connected to the Internet or when the Internet is slower.

According to Microsoft’s statement, “You cannot directly import or open an OST file in Outlook.” You should convert the OST file to PST format and easily import it to any Outlook profile or account. So let’s see the reason why users want to use an old OST file in Outlook before the solution.

Why Do Users Want to Import Old OST Files in Outlook?

  • When the Exchange server is down.
  • If a user wants to transfer an OST file to another computer.
  • When an OST file becomes corrupted or unmounted from the server.

How to Use Old OST Files in Outlook 365 Via Manual Approach?

If you have an active OST file connected with an Exchange profile. So, you can easily export Outlook mailbox data via export options and easily import it to any Outlook profile or account.

  • Open Outlook and press the file tab on the taskbar.
  • After that, choose Open and Export and then click Import/Export.
  • Now, find Export to a file in the list of import/export wizard and then press the Next button.
  • Next, click on the Outlook data file and then tap on the next option again.
  • Browse the folder of the mailbox you want to import.
  • Lastly, choose the output destination and then press finish to get the output quickly.

Why Should Users Avoid Manual Technique?

  • It required a lot of free time and a very complicated process.
  • Users must have deep technical knowledge about the specific platform that they are working on.
  • This manual technique is not capable of recovering or converting orphaned, corrupted, and oversized OST files.
  • The data can be transferred, but some portions will be deleted during the process.

How to Import an Old OST File In Outlook 365 Via Alternative Approach?

As you can see, there are many risks available with mailbox data. Therefore, we recommend you go for SysTools OST Converter, which is an exclusive and perfectly designed tool to convert single or multiple OST files without facing huge size challenges. This software is specially designed with advanced algorithms to get accurate results without facing any information leaks.

  • Download the wizard to your system and then run it.
  • Browse the OST file and select what you want to import.
  • After that, press the PST file format in the list of export options.
  • Lastly, choose the destination of the resultant data and then press export to get the result quickly.

Other Prominent Features Of Using Alternative Tool

  • It kept the mailbox hierarchy unchanged.
  • You can also import OST to Outlook with this wizard.
  • This software is very easy to use by all types of users without having deep technical knowledge.
  • It can also recover and convert orphaned, unmounted, corrupted, and oversized OST files.
  • There is no need to download any other app to complete the process.

Also Read: Can I Open Lotus Notes Emails in Outlook?

The Verge

In this informative post, we explain how to use old OST files in Outlook 365. We also explain the basic introduction and reason behind this question. Additionally, we have also explained manual and alternative solutions. Manual focusing requires a lot of free time and deep technical knowledge. Because you know better about yourself. Otherwise, we suggest you opt for an alternative solution to complete the process.

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