This article will show you how to reorder the attachments for an agenda item.
Instructions
Sign in to your solution if you have not already
Navigate to the Meetings module:

Select the desired agenda:

Select the desired item:

Navigate to the View menu and select the Item Files option from the dropdown list:

Note:
The default view is Item Fields.
Navigate to the Attachments section and click the Edit Order button:

Click and hold the grid icon(s) to the left of the desired attachment(s) and drag and drop the attachment(s) into the preferred order:

Click the Save Changes button:

Click the Save Item button to save all item changes:
