Set drop-down options on Excel files

I've been doing excel The import documents , Drop down option required , So I studied

1. First select the column for which you want to create the drop-down option

Usually start from the second line , There is no drop-down option for the title of the first line . Put the mouse on F Press and hold the second row of the column ctrl+shift+ Key down

2. choice data -> effectiveness

3. stay Data validity In the pop-up box , choice Sequence 、 Provide drop-down arrows , stay source Enter the option text in （ Different options should be separated by commas in English ）, Finally, click OK

4. effect