Anyone found a reliable way to migrate OLM files with attachments?

rohitpatwa

New member
I'm planning to migrate several Outlook for Mac mailboxes, and one concern I have is how attachments are handled during the process. Some tools I've tried either skip attachments, increase the output size unnecessarily, or don't give enough control over what gets exported.

While researching, I came across MacSonik OLM Converter, and it seems to offer a few options that could be useful. From what I understand, it lets you use an automated desktop converter to process both small and large OLM files without any file size limitations. It also supports batch conversion, which would be a huge time-saver since I have multiple mailbox archives.

What interested me most is the attachment management. Instead of forcing a single approach, it allows you to save attachments separately, exclude them completely to reduce backup size, or even convert them into PDF when needed. That flexibility sounds useful depending on whether you're creating an archive or migrating to another email client.

Another feature that stood out is the option to split oversized PST files during conversion. I've had PST files become too large in the past, making Outlook slower and harder to manage, so automatic splitting could help avoid that issue. It also claims to maintain mailbox items like emails, contacts, calendars, journals, and tasks while preserving the original folder structure.

Has anyone here tested these features in a real migration? I'm especially interested in knowing whether the attachment handling and PST splitting worked as expected, and if the converted mailbox opened correctly without missing data.
 
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