Single Document Block via Document Options Ellipsis
Click the document to activate the document options bar.
Click the Document Options Ellipsis.
Select Edit Thumbnail.
Select a new thumbnail image and click Save.
Basic Document Block via Document Options Ellipsis
Click the Document Options Ellipsis.
Select Edit Thumbnail.
Select a new thumbnail image and click Save.
Basic Document Block via Manage Documents
Click the Block Settings Cog.
Select Manage Documents.
Click the Document Options Ellipsis.
Select Edit Thumbnail.
Select a new thumbnail image and click Save.
Click Save on the Manage Documents screen.
