You will need the Full Write Groups permission or be an Admin of the group to perform this action.
Adding a group file
First, navigate the group, then select the "Files' tab and click "+ Upload File."
After clicking "+ Upload File," a window will pop up where you will enter the name and description of the file. You can upload the file by clicking and dragging it into the upload section or by clicking the "Browse" button. Once the file has been selected click "Upload."
Acceptable formats are txt, pdf, png, jpg, mp3, doc, docx, xls, xisx, and zip.
Editing or deleting a group file
To edit an existing file, click the "Edit" button on the right column. To download the file, click the name of the file or click the dropdown arrow and select "Download."
To delete a file, click the dropdown arrow next to the "Delete" button and select "Delete." You can also select the checkbox next to a field and then select "Remove" from the bulk actions dropdown.