How to Convert OST to PST Manually?

Are you looking for an easy or free way to convert Outlook Offline OST files to PST? If yes, then be happy. Here you will get the best solution to import offline OST to PST files. This article will talk about the two methods to export OST to PST. The first procedure is to convert OST to PST manually, and the second is the use of an automated solution OST to PST Converter. If you are an Outlook user, you might have encountered the situation when you need to import OST file to Outlook PST.

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With the existence of the Digital Era, email has become the most vital mode of communication from the beginning itself. Over the past 42 years, email has evolved into one of the most cost-effective and comprehensive modes of communication. Increasing business and entrepreneurship required better and full-featured professional email clients. To fulfill different customers’ different requirements, various email clients became available within a short period. Any client-server messaging system with excellent and powerful functions for storing personal information is preferred by organizations. Likewise, MS Outlook is one of the popular email clients frequently used in companies and organizations. So need to exchange OST to PST is very obvious.

OST vs PST Comparison: Which is Best for Users?

OST ( Offline Storage tables) It is an offline folder built by Microsoft Outlook and Microsoft Exchange to hold your offline copies of whatever file exists in the exchange server. This allows you to work offline or use the Cached Exchange Mode when there is no connection to the Exchange computer. OST files allow it to extract the desired folder from a server location and work with that file contents even when you are not connected to the network (offline). When connected, all the folders get synchronized with the exchange server. This process is known as synchronizing folders.

 PST ( Personal storage tables) It is also known as folders or personal files. It is neither created by Outlook nor the Exchange server. Instead, you can make it to save all your emails, journals, tasks, contacts, calendar entries, etc. These PST files can be saved anywhere in your System. It can also be used for archiving file items from any email client.POP3, IMAP, and HTTP accounts use the PST file format. Now let’s discuss the methods to convert OST to PST manually and the use of the OST to PST Converter tool.

Method 01. Use Archiving Method to Convert OST to Manually

If you want to convert OST to PST format, you can use this feature to have all the mailbox data of an OST file into a PST file. This feature helps you move or copy almost every mailbox note. The only limitation with this method is that it does not archive the users’ contacts. Follow the below-mentioned steps to Import OST File to Outlook. Step 1: Open Microsoft Outlook.

Now open your exchange OST file which you want to move to a new PST file. Step 2: Click File tab > Info.

Select the Option Cleanup Tools Step 3: Now Click Archive

Step 4: The Archive dialog box will appear there.

Normally, the “Archive this folder and all subfolders” box is checked by default. If it is not, then do check it. Now select the folder from the list of OST files that you want to move. For example Inbox. Step 5: Now, you can see an option to Archive items older than there.

Then, select a date from the calendar. Step 6: Now click Browse to define a location to save the new PST file. Also, give a new name to this new PST file. Click OK. Step 7: In the edit box, you can see the new PST file along with its location.

Click OK to start the actual process. It’ll take a couple of minutes to complete the process successfully. As a result, the new PST file contains the mailbox folder archived from the OST file.

Method 02: Backup Outlook OST file to PST by Exporting mailbox to Mailbox to PST

You can follow these steps to Convert OST to PST manually by exporting the mailbox to PST:-

    1. Launch the MS Outlook on your System.
    2. Go to the open & export and select Import and export option.Convert OST to PST manually
    3. Then, Go to Export to a file and click on Next.Step-3
    4. Choose Personal Folder File (.pst) format and then Next.step-4
    5. Select your email or folder and enable the Include subfolders option.convert OST to PST manually
    6. Browse files in the selected location, choose to replace duplicates with items imported and click Finish.step-6

Method 03:- Drag and Drop into a new PST file.

Instead of exporting the entire account, you can create a new PST file in Outlook and drag and drop the contents of the old account into it.

  1. Go to the New Items tab in Outlook and expand More Items.
  2. Select Outlook Data File.
  3. Then, you can drag and drop the account objects to move them.

Method O4:- Automated Solution To Convert Outlook OST to PST

You can also try a third-party tool to convert the OST files into PST file format. The OST to PST Converter software by MailConverterTools is a top-notch utility that easily exchanges OST files into PST file format. It is well design to convert OST files into PST, EML, CSV, HTML, MHTML, EMLX, MBOX, MSG file formats.This utility provides a highly interactive interface and keeps the data safe and secured during the conversion process. It is compatible with all versions of MS Outlook and Windows-based operating systems. You can convert the OST to PST manually, but if these methods do not provide satisfactory results, you can opt for the Sysinfo OST to PST Converter.


During OST to PST conversion, the critical scenario is to follow the proper steps to convert the OST file to PST. So to cover this topic, we have discussed the methods to convert OST to PST manually. However, if these manual methods do not provide reliable results, then you can use the professional solution OST to PST Converter tool. This utility is the most prominent and reliable solution to use.

1 comment on “How to Convert OST to PST Manually?

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