In order to make optimal use of storage, you may want to know which object is consuming the most file storage.
You can check Storage Usage for more details, however the breakdown available on this page doesn't provide much detail.
Under Storage Usage page, you can only find :
There is no standard functionality with which you can find file storage consumed by each object.
However, you can use 'ContentVersion.csv' and 'ContentDocumentLink.csv' files from exported data to get desired information. Follow below steps to achieve desired result:
STEP 1: Export data using Data Export services, and include ContentVersion and ContentDocumentLink OR Export ContentVersion and ContentDocumentLink using Data Loader.
STEP 2:
STEP 3:
=SUMIFS(C:C,E:E,L2) # C is for ContentSize column, E is for ObjectPrefix column & L is for ObectPrefix column
Note: File size is in MB.
000381136

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