How to Combine Multiple PST Files Into A Single File? – Free Manual Guide

Ashwani Tiwari | Modified: August 7th, 2021 | MS Outlook

Are you looking for a way to combine multiple PST files into one? If yes, this blog will help you. Here you will learn the step-by-step guide on how to combine PST files of multiple Outlook accounts and manage them in one place.

Microsoft Outlook is the world’s most popular email client. It stores all of its data in the PST file format. Outlook gives users the ability to create multiple accounts. Thus users have multiple PST files that are hard to manage. It is easy to create a new account for the users but when it comes to combining all the PST files into a single file, it is difficult or confusing for most users.

Instant Solution: Use Merge PST Tool to merge multiple Outlook PST files effectively. You can consolidate data files with an existing PST, New PST or Outlook Profile. Supports all Outlook versions and removes duplicate items.

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There can be many different requirements or reasons for users to combine Outlook PST files into one. In the next section, we’ll look at some common reasons.

  • Combine multiple old accounts
  • Join work and social accounts
  • Create backup of existing accounts
  • Migrate to another email service
  • Share files with Colleague or others

Manual Steps to Combine Multiple PST Files Into One

The manual process is not direct; you need to perform two steps to combine PST files. Follow the below steps to accomplish this task.

Step 1: Create a New PST File

To make a new PST file in Outlook, follow these steps:

1. In Outlook, click on New Items, select More Items >> Outlook Data File.

create a new pst file

2. Select a location on your system to save new PST file and provide a name for it. Click OK.

create new blank pst file

Step 2: Import Old PST Files Into Newly Created PST File

To combine multiple Outlook PST files, in this step we will import existing data files to the new one.

1. Open Outlook and go to the File tab.

2. Click on Open & Export and select Import/Export.

3. Select the option Import from another program or file and click Next.

import and combine multiple pst files

3. Select Outlook Data File (.pst) and click Next.

combine pst files

4. Click Browse, select the .pst file to import and select the required options. Hit Next.

import combine outlook pst files

5. Select the folder you want to import to the new PST file. Check the Include subfolders and Import items into the same folder in the box.

combine multiple outlook pst files

6. Hit on the Finish button.

Importing Outlook PST files process will start. Using this process, you can only import one PST file to the newly created file. To import other PST files, repeat the same steps for each file. If you have large number of data files you need to combine, this task is very time-consuming and quite confusing.

Instant Alternate Way to Combine PST Files

The manual method is quite complex, involves many steps, and requires appropriate steps to be performed. Otherwise, the likelihood of data loss and file corruption would increase. To get rid of all these issues and combine multiple PST files, use an automated solution i.e. third-party tool.

This is a handy tool that is easy to use by any novices. The software provides great features to combine multiple Outlook PST files into a single one. You can easily merge two PST files as well as multiple data items like emails, contacts, calendars, notes, tasks, and journals. It maintains the original email properties and folder structure of PST files throughout the merging process. Moreover, it is capable to combine and remove duplicate items without altering single information. You can combine Outlook archives as well as password-protected files without entering the password. Also, it has Split option that helps to reduce PST file size while combining.

Steps to combine multiple PST files into one are as follows;

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Step 1. Launch the software and add PST files or folder.

pst merge software

Step 2. Choose the option Merge or Join and click Next.

combine multiple pst files

Step 3. Select the required folders and choose combine in Existing PST, New PST or Outlook Profile.

combine pst files with an existing pst

Step 4. Select mailbox items and check the Skip Duplicates Items box to remove duplicate items.

combine and remove duplicate items

Step 5. Click on the Next button and analyze the live combining process.

successfully combine outlook pst files

Once the PST files combining successfully, you will receive a completion messages on your screen. Click OK.

Final Words

For managing multiple Outlook PST files, the best option is to combine them into one for easy access. Combine multiple PST files into a single manually can be difficult for users who have a large amount of data. To fix all the problems, you can use the secure PST file combiner tool for effective solution. It supports working with all Outlook PST versions like Outlook 2019, 2016, 2013, 2010, 2007 and others.