- Open ArcGIS Desktop (ArcMap or ArcGIS Pro)
- Add your own data (basemap + other layers)
- Create a Tile Package in Web Mercator (Auxiliary Sphere)
- Associate your own Survey with this Tile Package
For more details, check Prepare Basemaps for Offline Use
> Is there any way to usw my own created basemaps in the survey123-Report ?
Just to add onto Jayanta Poddar's reply, here is the help topic link,
> And is there also a way to Change the formal Settings of the Report?
Please see my reply to your other thread on the same topic,
Hope this helps,