You can use the Import service. The process and details are all documented here: https://learn.microsoft.com/en-us/purview/use-network-upload-to-import-pst-files
MS O365 has option to upload the PST file over the cloud
Anbarasan Babu
40
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Hi there,
I Good Evening, I Want to migrate the Email server from Gmail to MS O365, total no users are 250 Nos. SO Planning to download the Gmail back of users from Google takeout in MBox format or PST format. Now Need suggestion that any option to upload the PST file in MS O365 (Cloud) Directly? If yes that what is the procedure and what is the MAX size can upload. same if upload end user can able to access old emails in Cloud?