How to Add OST File in Outlook 2019? – 100% Working Solution!

This article post focus on how to add OST file in Outlook 2019 and all other versions. Also, we will learn the need to export OST to PST file format and its different methods.

Email data is stored by Microsoft Outlook in two primary file types. When working offline or with an Exchange account, mailbox data is cached using the OST file. Conversely, Microsoft Outlook uses PST files to store duplicate messages, calendar entries, and other data.

What is Outlook OST File?

The Offline Storage Table (OST), an encrypted Outlook data file, is automatically created when you configure an IMAP account in Outlook. It’s connected to a certain profile on a particular computer where your account is set up. If you wish to work offline with an MS Exchange account, you can use Outlook Data Files (.ost). When a server goes down or there’s erratic internet service, they come in quite handy.

Why Users Need to Convert OST File to PST?

There are multiple reasons for which users want to export OST file to Outlook 2021, 2019, 2016, and other versions. We have provided some basic reasons why users need to perform OST to PST Converter. Check out the different reasons.

  • The file would become unavailable and there may be a danger of significant data loss if the Exchange server crashed without warning. Thus, in order to maintain access to the crucial database, an OST file must be imported into Outlook.
  • Outlook PST files are portable and simple to access.
  • In the event of maintenance or server outages.
  • The mailboxes were accidentally deleted.
  • for data backup reasons in order to prevent data loss.

How to Manually Add Outlook OST File in Outlook?

Users can transfer OST files to PST Outlook files manually and for free. Users must possess strong technical skills and familiarity with Outlook in order to successfully accomplish this do-it-yourself option. Additionally, it is advised to create a copy of the OST data that has to be exported before beginning the conversion process because there is a chance that data will change while converting OST to PST. Now, apply the techniques listed to address the user’s question regarding adding an Outlook OST file to Outlook.

Method 1. Utilize the Import/Export Wizard

  1. Open your Outlook account and log in.
  2. Select the File tab.
  3. Click on the Import/Export menu item.
  4. After selecting Export to a file, click Next.
  5. Choose the Personal File (.pst) folder now.
  6. Select the Parent root by clicking on it.
  7. Verify the subfolders included.
  8. To store PST data, navigate the location.
  9. Press the “Finish” button.

Method 2. Make Use of Outlook’s Archive Function

  1. Open Microsoft Outlook and log in.
  2. Navigate to the File area.
  3. Select Options Now, then select the Advanced area.
  4. Toggle the Auto Archive settings on.
  5. Navigate to the archived file location.
  6. Press the OK button.

Note: In order to prevent data loss scenarios, users must carefully follow the steps and not omit any of them. These are the comprehensive do-it-yourself approaches.

Professional Solution to Import PST File into Outlook 2019

The solution that experts recommend using to import OST files to Outlook in bulk with all of their Meta data is CubexSoft OST Converter Tool. Complete data conversion is guaranteed by the software, with no downtime or errors.

Non-technical users will find the tool’s graphical interface straightforward to use and accessible. The program preserves all attachments in their original format and lets you export OST files containing email data, complete contacts, calendar data, journals, tasks, notes, and more. The program also has the ability to export OST files in bulk.

The automated solution allows users to test the software’s performance before making any financial commitments by providing a trial edition. After you are happy with how the software functions, users can permanently activate the licensed key.


We’ve covered a few ways to import OST files into Outlook PST format in this article. We’ve listed the justifications for each of the several ways to import an OST file into Outlook 2019, 2016, and others. We may therefore infer that there are a number of disadvantages to manual migration procedures. Therefore, it is advised to use a trustworthy OST to PST Converter to export Outlook 2019 OST files and convert them to PST or any other format of your choice.

Read More –

Leave a Comment