Contact and Help

Chatbot Mona (German)

Chatbot Mona answers your questions about electronic document delivery. This includes both general questions about electronic delivery and help in using My Mailbox. If your question cannot be answered by the Chatbot, the Service Centre will be happy to help with your enquiry.

Service Centre


  • Service line for (BRZ Federal Computing Centre): +43 (0)1 71123 88 44 66, Monday to Friday, 8:00 - 16:00 hrs
  • By email: 

Businesses and public authorities: 

  • USP Service Centre (BRZ): +43 (0)50 233 733, Monday - Thursday, 8:00 - 16:00 hrs, Friday 8:00 - 14:30 hrs
  • By email: 

You can find further information and answers to frequently asked questions here:

Tested and supported operating systems and browsers

My Mailbox and the downloading of attachments to messages have been tested with the following operating systems and browsers. If you have any problems with the display or with downloading, please first check your system versions. 

Operating systems (desktop and mobile)

Windows 10 Version 2H2
macOS Montery Version 12.0.1
Android 11
iOS 15.4


Chrome 105.0
Firefox 91.13.0esr
Safari 15.0
Edge 104.0