Gratis Ways to Migrate Old PST Files to New PST Files

You will know how to convert old PST files to new formats after reading this article.

I want to open the ANSI PST files I have on my system with the new Outlook. Unfortunately, my Outlook 2016 email client does not allow me to open these files directly.

Are these old PST files trash or is it possible to access the information they contain?

I was just searching the internet for a method to convert my outdated PST file to a fresh format, like a UNICODE PIC file. You can only import UNICODE PST files using Microsoft Outlook’s most recent versions. There is no support for it to import or open old ANSI PST files.

But the more important question is,


Outlook quit funding old (ANSI) PST files; because?

All data is stored in the ANSI PST file format in earlier versions of Microsoft Outlook, such as Outlook 97-2000. However, in later versions of Outlook, these files will no longer be supported. The cause was quite obvious. Only 2 GB of data can be stored in an ANSI PST file.

Users who use Outlook for an extended period of time find it difficult to limit the size of the ANSI PST file. The risk of corruption increases further when the PST file exceeds its maximum size. The ability of ANSI PST files to hold multilingual content is another issue.

These reasons led Microsoft to start providing enough storage by using UNICODE PST files in Outlook 2003 and later versions.

How to Move an Old PST File to a New PST File:

The user can manually convert the old PST to the new PST file using Microsoft Outlook. The user can create a new UNICODE PST in Outlook and then import all the data from the old PST file into the new PST file.

It is advised to select a reputable application that ensures the security of your data for this reason.

The user might try the Migrate an Old PST File to a New PST File Software to fix the problem. The software can convert an old PST file to a new PST file format with ease without incident.

To convert an old Outlook PST file to 2013, follow these steps:

  • On your computer, Install the application and Run it
  • Add PST Files and Folder and remove PST files from it
  • Show the PST file Preview
  • Next, choose the location to save the final Unicode PST files
  • Click on the Start Converting button

The application will ultimately open the destination folder location once it has downloaded all of the recently created PST files.

Now that you know how difficult it is to convert old PST files to new PST, you can see why. However, the user can quickly update the outdated ANSI PST file to Outlook 2016 using PST upgrade software.

Advantages of Converting Old PST to New Format using a Professional Tool:

You always have access to the information on an old PST file though if your Outlook email client doesn’t support them. I personally imported emails, contacts, and calendars from my old ANSI PST file into Outlook 2016 using the application mentioned above.

It was a really simple way. The application also has a variety of options and advantages, including:

  • In batch mode, create new PST files from older ANSI PST files.
  • The advanced capability of producing different PST files per user.
  • An application that is highly accurate and safe without modifying the original content from the old PST file to the new one.
  • Maintains the mailbox system folders’ original hierarchy. The identical folder’s emails from the old PST file will be transferred to the new PST file.
  • Users who are not specialists won’t have any problems using the tool because it has been made to perform tasks quickly and simply.
  • The ideal method for transferring old PST files to Outlook 2016, old PST files to Outlook 2013, old PST files to Outlook 2010, etc.
  • There is no file size limit when creating a new PST file from an old one for PST files.

Here are just a few illustrations of the features available when choosing this tool. Many additional advantages come with this application. The user can import a new PST file into the Outlook email client once he has one.


Here is the solution if you also have old PST files on your system and want to convert them to more technologies have made or PST files. By manually creating a new UNICODE PST file and transferring the data from the old PST file, the user can perform this operation for nobody.

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