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How to Merge Outlook PST Files 2019, 2016, 2013, 2010, 2007, 2003 Manually?

Ugra Narayan Pandey | Modified: July 19th, 2022 | 6 Minutes Reading

Personal Storage Table or PST File Format is basically used by MS Outlook to store lots of information such as emails, contacts, calendars, etc. However, Outlook application is one of the popular email clients used in any organization to exchange lots of information. Therefore, when a user moves from one Outlook version to another or it becomes difficult for a user to manage several PST file, there is need to combine them into one. Now, the question arises, how to merge Outlook PST files 2019, 2016, 2013, 2010, 2007, 2003. Hence, in this, all the possible ways to consolidate PST files into one are discussed.

Why Combine PST Data Files 2019, 2016, 2013, 2010, 2007, 2003?

There are various situations where there is a need to combine data files into single PST file. Here, the most common query asked by the users are discussed:

“I just moved from Outlook 2003 to Outlook 2007 and now I want to import my both old and new PST file into single PST file to have an easy to both old and new PST files. Can I combine all of them into one file without doing much efforts.”

We will shortly present you with a tool that perfectly suits your requirements. It is an affordable tool specifically designed for this type of Outlook PST data merge challenge. However, we would also like to inform you about a free method for getting out your merge process done.

The free method is great when money is tight. The other is better if you estimate your time and accurate results. For a quick and easy process to consolidate PST files that doesn’t affect quality, consider only one tool: PST Merge Software

You can download and install the software for free by clicking on the button below:

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How to Merge Outlook PST Files – The Simple Way

Step 1. Add PST files in the software panel.

PST Merge Tool

Step 2. Choose the Merge Options and click Next.

Merge Outlook PST Files

Step 3. Select the option merge all folders or selected folders

Merge Two PST Files

Step 4. Select the items you want like Mail, Contacts, Calendars, Tasks, Notes, Journals.

Consolidate PST Files

Step 5. Hit the Next button.

Merge Outlook PST Files

Some Additional Features of the Tool

How to Merge Outlook PST Files Manually?

As nowadays, most of the users are querying about how can consolidate PST files in Outlook 2019, 2016, 2013, 2010. We are going to discuss all possible manual ways to combine multiple PST files.

Note: While “free” initially appears to be a cost savings, consider the hours it takes to merge your data and poor quality results. You can actually save money with an inexpensive tool.

Using Drag & Drop Option

Open the PST files within Outlook 2007 and follow the steps mentioned below:

  1. Go to File tab
  2. After that, click on Open and then on Outlook Data File
  3. Now, select the Outlook PST file that you want open and click on OK button
  4. Repeat these steps for multiple PST files that you want to join
  5. Now, change the navigation pane to Mail or Folder View to access the PST file that you just mounted in MS Outlook
  6. Folder list button is found in bottom left of the Outlook user interface
  7. In the navigation pane, all Outlook accounts are displayed in alphabetical order by name
  8. Now, you can easily move the Outlook content between PST files either by dragging and dropping or by selecting the content and choose Move To option by right-clicking on it
  9. After that, go to the destination and click on OK button. The content is removed from the Source PST and rewritten to the destination folder.

Using Import & Export Feature

To know how to merge Outlook PST files manually, one can also use the Import & Export feature by following the steps mentioned below:

  1. Open MS Outlook application and create a new Outlook data file
  2. Click on New Items >> More Items and then on Outlook Data File
  3. Give a name of your choice to new Outlook data file and click on OK button
  4. New Outlook data file (.pst) is displayed in the navigation pane
  5. After that, click on File tab and then on Open >> Import option
  6. In the Import and Export Wizard, select Import from another program or file from the list and click Next to continue
  7. Select the file type to Outlook Data File (.pst) and click on Next to continue
  8. After that, select the PST file that you want to export from Import Outlook Data File window
  9. Now, Browse the file that you want to import and check Do not import duplicates option and press Next
  10. Choose the folder to import and check the Include subfolders and Import items into the same folder in boxes
  11. Finally, click on Finish to start the process and wait until process gets completed

Limitations of Manual Procedure

There are various limitations that a user may face through manual procedure and are mentioned below:

  • Both manual procedures depend entirely on the size and quantity of the PST files you want to combine.
  • Required technical knowledge in depth.
  • The manuals are not completely secure solutions for merging data files.


As most of the time users migrate from one Outlook version to another, there is a need to combine several data files into one to have an easy access to both PST files. Therefore, after completely understanding the need of users, we have discussed two different manual procedure of how to merge Outlook PST files. One can choose any of them according to the preference. As discussed above, the manuals are not full proof methods to accomplish this task. So, one should prefer automated solution to consolidate PST files in accurate way. It also has the capability to easily combine password protected PST files without entering the password.

Frequently Asked Questions

How to combine two folders in Outlook?

You can use the professional tool that enables you to merge two inbox, archive, sent items, contacts into a single inbox, archive, contacts, and sent items folder.

Can I combine ANSI files with UNICODE PST files?

Yes, you can easily combine both ANSI and UNICODE PST file into a single UNICODE file.