XING Help Center
Here you’ll find answers to your questions, and information about XING features. You can also contact the XING Support team (available in English and German) if you need any other assistance.
By the way, we've published some help videos that may be of use to you: Go to videos
Why do my contacts disappear?
There are two reasons why your contacts might disappear from your profile:
1. This person has deleted your contact and was thus also deleted from your list of contacts.
2. This person is no longer a member of XING.