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Written By Lovely Baghel
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Published on: June 7th, 2025
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Updated on: June 6, 2025
Summary: OLM is for Outlook for Mac users, whereas Office 365 thrives on the Microsoft Exchange Online server. These align close to the Outlook PST files or server syncs. So, if you are trying the bridge the Mac-Windows gap and taking a switch from email client to cloud. Then, you must have thought of how to import OLM file to Office 365, completely and securely. This guide helps you to upload OLM to Office 365 manually and with a SysInfo OLM to Office 365 Migration Tool for ultimate outcomes.
Unlike the PST files, OLM files aren’t natively supported by Office 365. Thus, it becomes difficult to perform the import. The process becomes indirect and involves multiple layers of steps. It isn’t just any file upload, but the file extraction, format conversion, and finally, the import. Let’s see how to execute the step-by-step process for file import.
The steps are divided into several parts for a smooth understanding of the entire process:
Now, use the OLM to PST Converter Tool for instant file format conversion in bulk within no time. It maintains formatting, attachments, and preserves the folders.
Now, after converting OLM to PST, it becomes easy to transfer the file into an Office 365 account.
Sample CSV: WorkloadServer, FilePath, Name, Mailbox Address Exchange, PSTfilepath.pst, ammy, ammy@domain.com |
Though you can save OLM files into Office 365 for free, it has these cons:
Since the manual method is troublesome and indirect, utilize the OLM to Office 365 Migration Tool. It will ease the task of all IT admins and individuals to transfer OLM emails, contacts, calendars, notes, etc. The smart utility is designed with an intuitive GUI that enables adding many OLM files and folders at the same time. Additionally, it preserves their formatting, metadata, structure, and more, and no loss happens throughout the process. Moreover, it is ideal to handle all mailboxes on Windows and Mac OS.
Also Read: Convert OLM File to MBOX
Import OLM file to Office 365 isn’t just a data transfer anymore, but also switching to a new cloud system environment. The manual method may work if you are a technical expert and have few OLMs, but not in the long term. Instead, work with the automated tool and convert data within technical comfort, without any data size or security limitations and difficulties.
Ans. Migrating your OLM files to Office 365, including all attachments, is a straightforward process when using an OLM to Office 365 Import Tool. It automatically fetches the attachments within the OLM files added and moves them to the new destination until you wish to remove them. There are no limitations on the size or number of files and attachments within.
Ans. Follow the given steps for a quick, safe, and smart import:
Launch OLM to Office 365 Migrator and add files into the tool.
Next, select them to move after assessing folders from the tree format.
Further, pick O365 as the output format, and log in.
With the filters set, tap Convert at the bottom to import.
About The Author:
As a content writer, I specialize in Email Migration, Data Recovery, Email Backup, and File Management. I have been writing professionally for two years now. There is so much information available in this field that I am intrigued by the newer technologies and techniques.
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