To get your Outlook for Mac emails to Thunderbird, you'll first need to convert your OLM files to MBOX format, which Thunderbird does support. DataVare OLM to MBOX Converter makes this process simple & accurate. The software converts all OLM emails, contacts, and file attachments to MBOX files without changing the original format and folder hierarchy structure. After the OLM conversion is accomplished, it is very easy to import the MBOX files into Thunderbird and then view all your Mac Outlook data in seconds. This method ensures safe, quick & complete migration without any data loss or technical complications. Furthermore, a Free demo is available! Works with Outlook & all Windows OS versions.