A document pending upload can also be deleted from inside the Documents Pending Upload dialog box by selecting it in the Pending Documents section and clicking Delete.
When a document is deleted, it is cleared from the Documents Pending Upload dialog box (and the Related Documents list, if available) and the Document Type button associated with the Document Type it was assigned to is re-enabled.
Tip:
A document pending upload can also be deleted from the Related Documents list. See Deleting a Related Document for more information.