There are two options here.
1. Via the "More" area
The Sdui cloud can be found via the footer in the "More" area.
If you click on the "More" area, you will see the following picture:
You will now find all the files of the groups in which you are a member in the Sdui cloud.
2. Directly via the associated chat
Select the “Chats” button in the lower function bar.
You can then click into the relevant group chat or individual chat in the overview of the chats suggested to you.
Suggestion: You can also use the search bar to enter the name of the chat / person to find the relevant chat more quickly.
If you are in the chat, click on the small cloud in the header bar on the right.
You are now in the associated cloud folder.