Cigati OLM Splitter Tool

Cigati OLM Splitter Tool is a robust and intuitive software solution designed to help users seamlessly divide large Outlook for Mac (.OLM) archive files into smaller, manageable parts. Whether you’re handling oversized email archives, preparing backups, or optimizing OLM storage for better performance, Cigati OLM Splitter delivers unmatched precision and reliability throughout the splitting process.

Built with both novice and professional users in mind, this tool operates independently without needing Microsoft Outlook installed, ensuring a secure and efficient way to manage large OLM files. The solution preserves all original data — including email metadata, attachments, and folder hierarchy — while offering flexible split options tailored to your organizational needs.

Key Features of Cigati OLM Splitter

Split OLM Files by Multiple Criteria

Divide large OLM archives using various customizable options such as:

• Size: Break files down by target file size.

• Date Range: Split based on specific dates or date ranges.

• Folder: Segment by folder structure.

• Senders: Split by sender/recipient ID.

Maintains Data Integrity & Structure

Keep all emails, attachments, properties (To, From, CC, BCC, Subject, Date/Time), and original folder hierarchies intact throughout the process, ensuring accurate and reliable output.

No Outlook Dependency

Works independently without requiring Microsoft Outlook or any third-party applications, delivering hassle-free operation across systems.

Advanced Split Options

Provides granular control over how OLM files are partitioned, including selective splitting and precise boundary definitions to suit both personal and enterprise-scale requirements.

Safe & Secure File Processing

Ensures 100% secure splitting of sensitive mailbox data without loss, corruption, or modification.

Wide Compatibility

Supports OLM files created by all major versions of Outlook for Mac, making it ideal for legacy archives and modern email workflows.

Why Choose Cigati OLM Splitter?

• Efficient OLM Size Management: Perfect for IT admins, enterprise email teams, and personal users managing large mailbox archives.

• Flexible Split Criteria: Offers options beyond simple size division — including date, folder, and email ID filters.

• User-Friendly Interface: Designed for simplicity, technical expertise is not required to achieve precise results.

• Reliable & Accurate: Ensures all metadata, content, and folder organisation are preserved after splitting.

Ideal For

• Users managing very large Outlook for Mac OLM archives

• Professionals preparing email archives for backup, compliance, or migration

• IT administrators are optimizing mailbox storage and performance

• Organizations needing precise control over OLM segments