SysTools PST Merge
Combines multiple Outlook PST files into a single file, with options to join, merge selectively, and remove duplicates.
SYSTOOLS SOFTWARE PRIVATE LIMITEDPaid
Kernel Merge PST
by KernelAppsMicrosoft 365Paid
Combines Outlook PST content and saves selected data in a new or existing PST file.
PRICINGPaid
DEPLOYMENTCloud
CATEGORYProductivity
UPDATED ON MARKETPLACE
What it does
Combines data from multiple Outlook PST files, including mail, calendars, contacts, tasks, journal entries, notes, and folders. Users can choose particular folders or item types and filter items by date. The resulting PST file can be stored locally or on a connected network drive. The process displays source file, folder, and status information.
Key capabilities
from the Microsoft Marketplace listingPST file combination
Combines content from multiple Outlook PST files.
Folder selection
Allows users to choose individual folders or include all folders.
Item type selection
Supports choosing data types such as mail, calendar entries, tasks, contacts, journal entries, and notes.
Date-based filtering
Allows data selection by start and end dates or predefined periods.
Output destination choice
Saves the resulting PST file to a local system or connected network drive.
Duplicate exclusion
Can omit duplicate items from the resulting PST file.
Process monitoring
Shows the source PST, folder path, and status while processing.
PST format support
Supports backup, archived, orphaned, Unicode, ANSI, and PST files created by Outlook versions.
How it compares
Kernel Merge PST, SysTools PST Merge, Cigati PST to MBOX Converter, PST File Converter, EdbMails EDB to PST Converter, and DBX to PST Converter are all listed as paid cloud deployments. Kernel Merge PST was updated on Aug 2026, compared with Dec 2025 for SysTools PST Merge, PST File Converter, EdbMails EDB to PST Converter, and DBX to PST Converter, and Apr 2026 for Cigati PST to MBOX Converter.
| Name | Pricing | Deployment | Updated |
|---|---|---|---|
| this plugin | Paid | Cloud | |
| SysTools PST Merge | Paid | Cloud | |
| Cigati PST to MBOX Converter | Paid | Cloud | |
| PST File Converter | Not in catalog | ||
| EdbMails EDB to PST Converter | Paid | Cloud | |
| DBX to PST Converter | Paid | Cloud | |
In the catalog
105 plugins in Outlook · Productivity
Price distribution: 1 free, 21 paid, 83 price not published
Pricing & deployment
Platform
Microsoft 365
Product
Outlook
Deployment
Cloud
Pricing
Paid
More from KernelApps
Similar plugins in Outlook · Productivity
View all 105 →
Cigati PST to MBOX Converter
Cigati PST to MBOX Converter converts Outlook PST files into MBOX format for use in clients like Thunderbird and Apple Mail.
Cigati SolutionsPaid
EdbMails EDB to PST Converter
EdbMails EDB to PST Converter recovers and converts offline Exchange EDB files to Outlook PST format without a live server.
SHIFTTOCLOUD INCPaid
DBX to PST Converter
SysTools DBX to PST Converter converts Outlook Express DBX files to PST and other formats while preserving folder structure.
SYSTOOLS SOFTWARE PRIVATE LIMITEDPaid
What the vendor says
«The PST file merger tool allows users to merge or join any number of PST files. Combine Calendar, Contacts, Deleted Items, Drafts, Inbox, Journal, Junk E-mail, Local, Notes, Outbox, Sent Items, Tasks, and other PST file folders. Users can merge all folders or select specific folders to combine. Key Features of Kernel …»