You can upload files in your group and restrict them to just you members
1. Manage your group
2. Click on Files
3. You can either add your documents under:
a. the Website Folder
b. an existing folder and you can change the privacy of your folder to Group Members only
Note: You can also set if the folder should be displayed on the Group Page and on the Group Website.
Please contact email@example.com with any questions.