Computers and Technology

Way to Convert OST to PST in Outlook 2019

User data is stored in well-known files called OST and PST. Microsoft Outlook uses both files. An account’s settings determine the format of its Outlook data files. If you set up an IMAP account in Outlook, you’ll get an OST file. If the account is set up with pop, Outlook utilises a PST file.

For this reason, many Outlook customers prefer the OST file. With the Offline Storage Table file, it is possible to access and generate new e-mails and contacts even when in offline mode (OST).

Outlook 2019, 2016, 2013, 2010, 2007, and all prior ANSI editions necessitate OST file debugging in order to access the file’s data. Converting an OST file to an Outlook PST file is the simplest method for repairing it, regardless of how severely it is corrupted or lost. If you are using the latest version of Outlook, in this article, we’ll explain why people convert OST to PST in Outlook 2019, and we’ll show you how to do so without the aid of software.

Why the Conversion of OST to PST in Outlook 2019 Needed?

For a multitude of reasons, OST to PST conversion is necessary. This is due to a variety of factors, including:

  • Before moving Outlook data to another computer, users must convert their OST files to PST files.
  • If the Microsoft Exchange server is offline for maintenance or a power surge, users will be unable to access their emails until they convert them to PST.
  • It is possible to recover deleted emails from an OST file by converting it to a PST.
  • To speed up Outlook, the OST file can be rewritten to remove any unused data.
  • It’s safe to rebuild the file after the PST conversion because you won’t lose any important data.

    How Manually Convert OST file into PST

It’s possible to manually convert an OST file to a PST file. In this technical piece, we’ll show you how to free convert OST to PST in Outlook 2019 using the two finest techniques. To use these methods, you must be connected to the Exchange server. In order to use these approaches, you’ll also need Microsoft Outlook.

Remember to create an OST backup before attempting any of these options.

Method 1: Create a PST file from your mailbox

  • Log on to Outlook using your Microsoft Exchange email address.
  • Navigate towards the File menu.
  • Select Import & Export from the Open & Export menu.
  • Next, select Export to a file and press the Next button.
  • Enter your email address and click the Next button to produce an Outlook data file (.pst).
  • To export a folder, simply choose it and then click the Next button.
  • Set the location of the file and choose not to export duplicate items.
  • To complete your project, click the Finish button.

Method 2: Using the Archive to Convert OST to PST file in Outlook 2019

  • Open the Microsoft Outlook programme
  • Pick Advanced from the File Select Options menu.
  • The Auto Archive button can be pressed.
  • Specify how many days you want the Auto Archive to run for.
  • Click on the OK button after you’ve entered the address.

Free OST to PST in Outlook 2019 conversion is possible using the methods listed above. However, there are certain downsides to these methods. Through this method, the user cannot convert multiple OST file simultaneously, and a single mistake during the conversion can ruin the Output. Now we will be moving towards checking out the professional OST to PST conversion.

Professional Convert OST into PST file format

The user can effortlessly convert numerous OST files of any size with the Shoviv OST to PST converter software. Due to its improved algorithm, the software is able to convert OST to PST in Outlook 2019 with ease. User can save the OST file in a variety of file formats, including HTML, EML, vCal, vCard, and MSG.

This software can be used to move OST files to Office 365. The programme can also import OST files into Office 365. It allows you to control the size of the divided PST file. Along with all mention features, a powerful incremental Export option is also included with this email file converter.

Free software trial version can preview OST files and export the first 50 items from each folder.


Some users believe that manual techniques are difficult and may cause data loss.

However, the point is that it is entirely dependent on the particular circumstances of your case.

As long as you have the technical know-how and your Outlook account is operational, you can use manual methods like Outlook Archive, Import-Export Wizard or Drag and Drop Mailbox Items to convert OST to PST.

The professional method, on the other hand, is recommended if you lack technical expertise and wish to convert OST to PST in Outlook 2019 in mass numbers. It’s up to the user to decide how best to speed up their conversion process.

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