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PST Tool

User-friendly tool to merge PST files: single mailbox or separate folders. Supports all MS Outlook versions, including 2021/2019.



Numerous benefits using Merge PST tool for multiple file merging.

  • Merge or join multiple PSTs into a single PST
  • Merge or Join all items like emails, contacts, calendars, notes, tasks, etc
  • Join multiple PSTs into a single PST, but keeping folders separate
  • Merge or Join PSTs without adding duplicates in the new one
  • Customize merge process by selecting specific folders & filtering items
  • Uncompromised data integrity after merging/joining
  • Merge UNICODE and ANSI PST into single UNICODE PST
  • Supports all PSTs created with any version of Outlook
Merge PST

Merge PST

Client Testimonials

Top-rated software by valued customers.

Software Features

Simple and powerful features ensure accurate processes.

Merge and Join PST Files Merge and Join PST Files

Merge PST Files tool: Joining and Merging PST files to avoid data scattered across locations, aid backups, and meet compliance.

No Restriction to the File Size No Restriction to the File Size

Tool handles any sized PSTs - small or large. Larger files may take more time, but process remains smooth with successful results.

Merge/Join all PST Items Merge/Join all PST Items

Tool joins and merges PST files, processing all existing items: contacts, emails, attachments, tasks, calendar, notes, etc., without missing any item.

Merge to a New PST file or in an Existing One Merge to a New PST file or in an Existing One

Join/merge PST files to existing or new PST. Combine UNICODE and ANSI PSTs into a single UNICODE PST.

Maintain Data Integrity Maintain Data Integrity

Merge/join PST worry-free. Tool maintains original format, metadata, and integrity of the PST file.

Customize with the Filter Option Customize with the Filter Option

Tool's inbuilt Filter feature allows custom merging/joining. Select desired items and merge/join PST files within a specific period.

Skip Duplicate Items Skip Duplicate Items

Merge PST Files tool with skip duplicate items option. Create lighter new PST files by skipping duplicates during merging or joining.

Support all versions of Outlook & Windows OS Support all versions of Outlook & Windows OS

The tool works with all active Outlook versions and Windows Operating systems.

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How it works?

Merge PST files in three simple steps with no limits on the number of files.



Merge PST files from all Outlook versions, use on all Windows platforms. See specifications.

System Requirements
  • Pentium Class Processor
  • Minimum Memory: 64 MB
  • Disk Space: Minimum 50 MB of Disk Space
Supported Versions
  • Outlook: Office 365, 2021, 2019, 2016, 2013, 2010, 2007, 2003, 2002, 2000, 98, 97
  • Windows: 365, 11, 10, 8.1/8, 7, Vista, XP, 2000, 98, NT, 95
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& Licensing

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Free trial version

Try the trial version to familiarize yourself with the software.
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Software Features Trial Version Full Version
Merge multiple PST files
Join multiple PST files
Merge all items (emails, contacts
Supports UNICODE & ANSI PST files
Filter options (Item Type & Date Range)
Merges into a new PST or existing PST
Supports all Outlook versions & Windows OS
Lifetime Validity
File saving capacity Saves 20 PST items per folder Save Unlimited items
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Merge PST


Explore FAQs and their detailed answers.

Follow the below steps:

  1. Click on the Add Files button and select the files from your system.
  2. Select the combining option, let’s say Merge, and click on Next.
  3. Now select the specific folders from the file. Click on Next to proceed.
  4. In the filter section, apply the filters as per your requirement, like Items and Date.
  5. Select whether you want to save it in a New PST file or in an existing one; then provide a destination to the file. Click on Next button to proceed.
  6. Wait for the process to finish. Click on OK once done.
  • Merge: Combine individual folders into a single PST file.
  • Join: Save selected folders as separate folders in the PST file.

Yes, you can merge two or more PSTs very easily. When you start the process, you will see that there is an option to add multiple files.

No, Merge and Join cannot occur simultaneously in the same cycle. They are separate features and need to be done individually.

Yes, tool lets you skip duplicate items during the process. The skip duplicate option avoids processing items already present.

Yes, use the tool's filter step to select desired item types (Mail, Calendar, Contacts, etc.) and specify a date range for merging in the new PST file.

Yes, while saving the PST file, you will find an option to save the merged or joined file to a new PST or in an existing PST. You can choose the required option.


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