What is OLM file?
OLM is a file extension used in MS Outlook 2011 for Macintosh OS to store the database of Outlook 2011 such as Mails, Contacts, Calendars, Tasks and Notes. This .olm file extension cannot be opened by any other enail clients and OS other than Outlook 2011 for Mac OS.
It should be known that Mac Outlook does not stores its database file in OLM file by default. Users have to export the database file in OLM file extension.
Default Location of Mac Outlook Database file
This default location of Mac Outlook OLM database file is same for all editions:
~/Documents/Microsoft User Data/Office 2011 identities/Main Identity/Database
It stores only indices in the database file.
~/Documents/Microsoft User Data/Office 2011 identities/Main Identity/Data Records
It stores data records i.e individual emails within folder to sub-folders in series of files.
Size of Mac Outlook OLM file
The maximum size of Mac Outlook OLM file is not defined anywhere but in general OLM file should not exceed 2GB because it may lead to some corruption issues in Outlook 2011 OLM file.
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Yes, Windows Outlook created PST file can be easily opened and viewed in Mac MS Outlook 2011 but the vice-versa is not possible.
No, Outlook installation is a necessary condition to migrate from Mac Outlook to Windows Outlook using this tool.
There is no specified size limit of OLM file for conversion. You can export any size of database file using Mac OLM to PST converter tool.
No, Convert OLM to PST tool does not support to Mac OS. It can be installed and run only on Windows.
Yes you can use this application in Windows 10 and all other below versions of Windows.