GainTools OLM to PST Converter

Convert OLM email files into PST format so their Mac Outlook data can be opened smoothly on Windows systems

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David Johnson· 4mo ago
An old Mac Outlook backup had been sitting on my system for a long time because I couldn't open it in Windows Outlook. This converter made the mailbox usable again, and checking a few folders before saving gave me confidence that the right data was being exported. It turned out to be a practical way to access old emails without rebuilding the mailbox manually.
David Johnson· 4mo ago
An old Mac Outlook backup had been sitting on my system for a long time because I couldn't open it in Windows Outlook. This converter made the mailbox usable again, and checking a few folders before saving gave me confidence that the right data was being exported. It turned out to be a practical way to access old emails without rebuilding the mailbox manually.
Sachin Kumar· 4mo ago
I was looking for a way to open some old OLM files in Outlook for Windows and wasn't sure which tool to use. Someone in an online discussion suggested trying GainTools OLM to PST Converter, so I gave it a shot. I only had a couple of mailbox files to convert, and the process was pretty straightforward. The folders and emails were transferred correctly, and I didn't need to spend much time figuring things out. It did what I needed, so I have no complaints with the experience.

GainTools OLM to PST Converter is an efficient utility designed to move Mac Outlook mailbox data into a Windows-compatible Outlook file. It transfers complete mailbox content, including emails, attachments, contacts, notes, tasks, and calendar entries, without modifying the original information. The software offers a clean and easy interface that allows users to complete the conversion process without technical skills. Users can load one or multiple OLM files at the same time, making it suitable for both personal and professional use. The folder hierarchy remains intact during conversion, so users can easily find their data after the process is complete. A built-in preview feature lets users view mailbox items before exporting, which helps confirm data accuracy. The tool works independently and does not require Microsoft Outlook to be installed on the system. It fully supports Windows from all its popular versions, like 11, 10, 8.1, 8, 7, etc., and ensures the protection of each step of data conversion. This solution suits users transferring from macOS to Windows and those interested in Mac Outlook data through a Windows Outlook interface.

GainTools OLM to PST Converter moves Mac Outlook mailbox data to Windows Outlook PST files.

for: Mac Outlook users needing to access their data on Windows Outlook.
pricing: freemium · free trial

works withWindows 11/10/8.1/8/7 (64-bit & 32-bit)

Key features

8 features of GainTools OLM to PST Converter

Full data migration — Exports emails, contacts, calendars, notes, tasks and more from OLM to PST.
Batch conversion — Load and convert multiple OLM files at once.
Live preview — Preview mailbox items before exporting to ensure accuracy.
No Outlook required — Runs on Windows without needing Microsoft Outlook installed.
Unlimited file size — Handles OLM files of any size without restrictions.
Preserves hierarchy — Keeps original folder structure and metadata intact.
Unicode PST output — Creates UNICODE PST files, avoiding size limits.
30-day money-back guarantee — Offers a risk-free purchase with a full refund within 30 days.