Best way for waiting IE popup Save or Save as

Dear All developer,
could you please help to advise. i have some question to best way for waiting IE popup Save or Save as.

Question if we export data from web app and waiting 15 minute per round.
Can we use activities to be handle it?

Thank you so much

Save_Saveas

Use element exist to identify that bar, and check for the button enabled or not to know the completion