FAQ 'E-Mail'
How Can I Migrate from MyTUM-Mailbox to Exchange?
First activate your Exchange mailbox. How to do this is described here. From this moment on, all e-mails to your @mytum.de/@tum.de addesses are delivered in the Exchange system.
To mirgate your existing e-mails from your myTUM-mailbox (or any other existing mailbox) to exchange, copy your existing mailbox with help of an e-mail-client like Outlook or Thunderbird.
To achive this, connect your old account via IMAP and your Exchange account via Exchange or IMAP Account. Then copy your old e-mails via Drag and Drop from your old mailbox into your Exchange account. Since the duration of this operation depends on the size of your mailbox, use the occasion to clean up your old mailbox before copying.
More detailled instructions are given in Chapter 1.3.7 of the (German) user manual.