SysTools OST Merge Software

SysTools OST Merger Tool is a reliable, high-performance utility designed to simplify the process of combining multiple Outlook OST files into a single, organized file. Whether you're dealing with fragmented data, managing multiple user profiles, or consolidating offline mailbox files for better accessibility, this OST merge software is your one-stop solution.

Why Choose SysTools OST Merger Tool?
Managing several OST files separately can be time-consuming, error-prone, and storage-heavy. The SysTools OST Merger Tool is built to merge OST files without compromising data integrity. With advanced filters, duplicate handling, and complete support for ANSI and UNICODE formats, this is the best OST merger tool for IT admins, enterprises, and individual users alike.

Key Features of SysTools OST Merge Software:

Merge Multiple OST Files
Combine two or more Outlook OST files into one consolidated file while preserving original folder hierarchy and structure.

Three Merge Modes
Choose from Merge, Join, and Merge Contacts Only options to handle data as per your specific requirement.

Duplicate Removal
Eliminate duplicate items while merging, ensuring your output file is clutter-free and optimized.

Preserve Metadata and Formatting
Retains email metadata (To, From, CC, BCC, Subject), attachments, inline images, and original formatting.

Compatible with All OST Types
Supports merging of orphaned, corrupted, password-protected, or network OST files effortlessly.

Wide Outlook Compatibility
Works flawlessly with Microsoft Outlook 2021, 2019, 2016, 2013, and earlier versions.

No File Size Limitations
Merge large-sized OST files without worrying about performance slowdowns or data loss.

Use Cases:

• Corporate Data Consolidation: Merge OST files from multiple departments or user accounts into one master file.
  

• Migration Projects: Simplify mailbox consolidation during Exchange or Office 365 migrations.
  

• Backup Optimization: Reduce backup complexity by converting multiple OST backups into one manageable file.
  

• User Profile Management: Combine user data from inactive or terminated profiles for audit or archival purposes.
  

• Easy-to-use interface suitable for both technical and non-technical users
  

• 100% standalone; no need for Outlook or Exchange installation
  

• Maintains complete data integrity across emails, calendars, contacts, tasks, notes
  

• Robust performance with low system resource consumption
  

• Fully compatible with Microsoft Azure environment

Trusted by IT & Enterprises

SysTools OST Merge Software has earned the trust of over 10 million users across 120+ countries, including Fortune 500 companies, for its reliability, speed, and accuracy. Whether you're an MSP, IT admin, or an individual managing large Outlook archives, this tool empowers you to merge OST files with confidence. Along with this SysTools also provides a PST merger utility.

Get Started Now

Streamline your Outlook data management. Download or deploy the SysTools OST Merger Tool from Microsoft Azure Marketplace and experience the best OST merger tool in action today.