Download of Exchange to Exchange Migration Tool 1.0 was on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The software lies within System Utilities, more precisely HDD Management. We cannot guarantee that the program is safe to download as it will be downloaded from the developer's website. Before launching the program, check it with any free antivirus software. This software was originally designed by WholeClear.
From the developer:
WholeClear Exchange to Exchange Migration Tool offers direct migration of mailboxes from one Exchange to another Exchange Server. By utilizing this program, all mailboxes from one Exchange 2010 to Exchange 2016 and others. Users are free to load any large mailbox file to migrate between Exchange Servers. Public and archive mailboxes are smoothly migrated by the software.
You may want to check out more software, such as SameTools Exchange Migration Tool, Yota Email Migrator Tool for Windows or AWS WorkMail Migration Tool, which might be similar to Exchange to Exchange Migration Tool.
DB Tools
File Managers