How to Merge PST Files in Outlook in Two Ways?

Microsoft Outlook is one of the world’s most popular email clients. Outlook offers user-centric features, a great work experience, and modern security enhancements. An Outlook Data File (PST) contains all your mailbox data and services, such as emails, contacts, and calendars. Microsoft Outlook is great at connecting with other advanced technologies. Originally, Outlook created his PST file (short for Personal Storage Table) to store user data. Here we will see how to merge PST files. So, it is important to maintain its performance. Therefore, the best option for managing PST files is to merge Outlook PST files into one.

Why Need to Merge PST Files in Outlook?

A user wants to import an older version PST file into a larger PST file that can be used with a newer version of Outlook. To do this, you need to combine multiple PST files into one.

1. A user wants to migrate from Outlook to another mail program and save all data in a single PST file.
2. Avoid data loss and corruption issues.
3. Improves the performance of Outlook applications.
4. Avoid multiple Outlook Inbox or Sent Items folders and combine them into one folder.

Problems With Multiple PST Files

There are lots of problems with the multiple Outlook data files such as:-

1. Huge PST files can be a source of corruption issue
2. The Outlook application does not work well with several PST files
3. Possibility of duplicate emails, and contacts in Outlook
4. A large number of PST files may be misplaced anywhere
5. Facing problems while opening and closing many PST files

These are the common problems with a large number of PST files and the only solution is to merge them into a single PST file.

Automatic Solution to Merge PST Files in Outlook 2021

You can use a reliable PST merge tool, like expert suggested solution, to combine multiple PST Files into one at once. It is a safe and powerful tool that easily and quickly combine multiple Outlook PST files into a single file. This tool merges all data of the PST file without changing the original structure.

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It provides multiple options to save merged PST files. It allows you to save a PST file to a new or existing PST file. Also, this tool supports merging password-protected Outlook PST files. It supports Outlook 2021, 2019, 2016, 2013, and earlier PST files. The software offers three merging options: combine in Existing PST, New PST, or Outlook Profile. It supports combining ANSI and UNICODE PST files into a single UNICODE-type PST. 

Guide to Merge Multiple PST Files with /Without Outlook

Step 1. Download, install and run the software on your system. 

Step 2. Click Add Files to add individual PST files manually, or click Add Folder to add the entire folder containing the files you want to merge. 

Step 3. This software offers two options to combine Outlook.pst files into one file which merge/Join. Select option according to your need.

Step 4. Select “Merge Selected Folders” to merge only selected folders.

Step 5. In the Filter section, Choose the type of data items to combine: Mail, Calendar, Tasks, Contacts, Diary, Notes.

Step 6. Finally, Pick the “Next” Tab  to start combing Outlook.pst files in one process.

Step 7. Click the Next button to start the process.

Now you can import and view PST data files in Outlook 2021, 2019, 2016, 2013, 2010, and 2007.

Why Choose PST File Merger?

Here are the benefits of this software that makes it best to merge Outlook PST files without any size and security errors:

• No need for having any technical expertise
• Able to merge PST files without Outlook
• Supports combining Outlook archives
• combine Outlook contacts, emails, calendars
• Supports all MS Windows OS and Outlook versions
• Maintains the integrity of Outlook data files
• Split PST file size option which helps to reduce PST file size
• Remove duplicates from Emails, Contacts, Calendars, etc.

Manual Method to Merge PST Files in Outlook 2019, 2016

There are two manual steps to combine PST files into one:

Step 1: Create a New PST File in Outlook 2019

1. Select New Items >> More Items >> Outlook Data File.
2. Enter a file name and saving location.
3. To add a password, click on the Add Optional Password option.
4. Click OK and type a password.
5. Click OK and a new PST file is successfully created.

Step 2: Import Old PST Files into New PST Files in Outlook

1. Click on File tab >> Open & Export >> Import/Export.
2. Select the “Import from another program or file” option from the Import and Export Wizard and hit Next.
3. In the Select file type to import from option, choose Outlook Data File (.pst) and click Next.
4. Browse to select PST file and under the Options choose required options, “Replace duplicates with items imported”, “Allow duplicates to be created”, and “Do not import duplicates”. Click Next.
5. Select the folder you want to import and also check the “Include subfolders” and Import items into the same folder in the checkboxes.
6. Click the Finish button.

Note– You need to repeat the same step for all the PST files to import into Outlook 2019.

Some Drawback in the Procedures Manual 

The manual process is free but requires time and effort. Some common pitfalls with manual focus include:

• If some PST files do not work, you need to repeat step 2.
• This requires a lot of time and energy.
• There may be a possibility of data modification or loss.
• If you have a lot of PST files and are looking for an easy way to combine them, use a professional method.

Final Words

Both manual and professional method is the best and is tested by experts. If you want an instant fix to merge PST files in Outlook 2021, 2019, 2016, 2013, and 2010, we recommend using professional software. You can also free download the tool to check the efficiency. When you are fully satisfied with the utility, simply buy the full version and combine PST files without any limits.