...
From the Attachments tab, click on the Document Title link.
Click on the radio button next to Overwrite The Existing Document.
Click on the Next button to continue.
4.Click on the Browse button. 
5.Select a file to be uploaded. 6.Click on the Open button.
7. Click on the Click to Attach File button.
8.Update the document title and/or description. 9.Click on the Save button.
10. Click Ok on the success confirmation window. 
11. Click on the Close button.
Related Articles
...