Arranging file block
You can rearrange the order of files in a File Block using the Organize option, found under the Manage Block drop-down menu.
To rearrange files, click on the down arrow Manage Block button 
The Organize Files menu should open. From there, select any file to drag and drop files within the block into the order you'd like to use. Hit Apply to save your changes, and you should be all set!
For more information on uploading files to the File Block, check our article How do I upload files to a content block?
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