¿ªÔÆÌåÓý

To delete Attachments:

-- Go to Admin->Upgrade (or Admin->Billing, if you have a Premium/Enterprise group)
-- Review the bar graph to see how much of your allocation is being used.
-- Click the View Attachments link
-- Typically, the main problem will consist of a few very large attachments. Click on the Size tab to sort by size.
-- Click on the links at left to open each individual message containing an attachment.
-- If the thread is locked, click on the More menu to unlock it (you will have to browse back to the message and refresh the page).
-- Again from the More menu, select Edit Message.
-- Click on the Delete checkboxes for any attachments you want to delete.
-- Click on Save without Sending to Group (a note will still be sent to the person who posted that message).

To delete files:

-- Click on Files in the left-side menu bar.
-- Navigate to the desired file or folder and click its trash-can icon.

To delete photos:

-- Click on Photos in the left-side menu bar.
-- Open a photo album (click on it)
-- To delete the entire album, click the "Delete Album" button
-- Otherwise, click on a photo to open it
-- Click on the blue Edit Photo button at the bottom
-- Click on the red Delete button to delete the photo.
-- If you are in the Emailed Photos folder, a note will again be sent to the original poster stating that you have edited his/her message.

The official Groups.io user documentation is in the Groups.io Help Center.