There is a new abstract export available which generates an index of the abstract authors and their abstracts (combination of abstract short and abstract number.
The template can be uploaded in Abstract - Abstract Setup - Templates - "Template for the `Author Index` Export".

«mAuthorSurnamem», «mAuthorFirstnamem»

Here an example (bold abstracts mean that the author is also presenter for the abstract):

Mustermann, Max

Mustermann, Max A101, B201
Musterman, Simon
A102, B203