Following error may appear in case of multiple or large attachments. Also, you can’t export all mail attachments. NOTE: The emails exported/imported to Outlook for Windows via Method 1 may be inconsistent and not in the original format. Methods to Import OLM Mailbox Items to Outlook for Window

In this post, we have discussed two methods to import OLM mailbox items into Outlook for Windows. Thus, if you want to import OLM mailbox items into Outlook for Windows, you must convert. [The file \FileName.olm is not an Outlook data file (.pst) If you try to import an OLM file into Windows Outlook, following error appears, Outlook for Windows supports Offline Storage Table (OST) and Personal Storage Table (.PST) files. You cannot import OLM file directly into Outlook for Windows as it does not support the OLM file. OLM is an Outlook for Mac data file that stores local mailbox items such as emails, contacts, attachments, calendars, notes, journals, etc.