Press Ctrl + A followed by F9 to refresh all cells with UDF

or, programatically, for an individual cell, say E5,

Range("E5").Activate
Calculate

"Roland" wrote:

I would like to add a button or a menu pick to Excel asking it to refresh all
cells which referances a user defined function in an Add-in.

For example:

Cells
a1
=ExternalData("source1")

a2
=ExternalData("source2")
...

After button click ExternalData should refresh its data.

Any help would be great!

Thanks

Roland