To upload a PST file directly to an Office 365 Archive Mailbox, the easiest and most efficient solution is the SysTools PST to Office 365 Import Tool. This tool is built to support direct import of PST files not just to primary mailboxes, but also to In-Place Archive (online archive) mailboxes.
With features like bulk import, mailbox mapping, date filters, and modern authentication support, it simplifies even large-scale migrations. No PowerShell scripts or Azure storage required — just a clean, user-friendly interface and accurate data transfer.
nikhil
To upload a PST file directly to an Office 365 Archive Mailbox, the easiest and most efficient solution is the SysTools PST to Office 365 Import Tool. This tool is built to support direct import of PST files not just to primary mailboxes, but also to In-Place Archive (online archive) mailboxes.
With features like bulk import, mailbox mapping, date filters, and modern authentication support, it simplifies even large-scale migrations. No PowerShell scripts or Azure storage required — just a clean, user-friendly interface and accurate data transfer.