Resolution: To share a file and access it in real time for synchronous collaboration in a chat, follow the steps below:
1. In your chosen chat, select the 'Shared' button from the list of options across the top

2. To upload a file to your team, select 'Upload' and navigate to the file you wish to upload

3. Once your file is selected or uploaded, click on the file and you'll be brought into your document
4. From here, anyone in the chat can access the file and make changes in real time encouraging real time collaboration
5. When done, simply click the 'CLOSE' button in the upper right corner to be brought back to your chat

6. Going forward, your document will appear in the list of files that have been shared in the chat
