Excel Data Files

[Sweeps]

Windows 7
Microsoft Excel 2010
Desktop Computer

I have attached 2 screenshots regarding my questions.

ATTACHMENT "DOC11"

Click on the "DATA" tab
Click on "FROM TEXT"
Click on the arrow down button on "FILE NAME"

There are several files in this dropdown list. How do you remove these files from the dropdown list?

ATTACHMENT "DOC22"

Click on the "DATA" tab
Click on "EXISTING CONNECTIONS"
Click on "BROWSE FOR MORE"
Click on the arrow down button on "FILE NAME"

There are several files in this dropdown list, How do you remove these files from the dropdown list?