Import PST to Exchange Online Mailbox - Mailbox Importer
To Import PST file to Exchange Online mailbox manually, you can use the Network Upload Method via the Microsoft Purview compliance portal. First, upload the PST file to Azure Storage, then create a PST import job in Microsoft 365 and map the PST file to the correct mailbox. However, this process is complex and time-consuming, requiring PowerShell commands, storage permissions, and careful mapping. Additionally, Microsoft throttling policies can slow the import speed, and data corruption risks exist if the process is interrupted.Get 120+ free lessons, and discover how to build your own passive 6-figure income!