Interactive PDFs are PDF documents that can take some form of user input. These may include buttons that will perform functions when pressed. Forms that users can fill out. Interactive PDFs can also ...

You can easily create a drop-down list in Excel to limit the values that can be entered in a column. Here's how to set one up ...

Dropdowns are useful features that simplify data entry and enforce data validations in spreadsheet software. Creating a dropdown list is easy. And you might have done that already in Excel. But did ...