Yes! It is! On your "Activities" page, first click on the folder you would like to make a subfolder in or the folder you would like for the new activity to be in. Once in the folder click on "New Folder" in the middle to create your subfolder. 

• When clicking "New File" the "Create Activity" screen will appear. Create your activity as you normally would! It will be placed in your new folder.

• When clicking "New Folder" a "Create Folder" pop up will open. Type the name of your folder and choose the color then be sure to click on "Confirm." Your subfolder will be created!

• When clicking "Import Multiple Activities" a pop up will appear. Paste the sharing links in the pop up then click "Import from sharing text."

Have fun organizing!