Yes, it is possible to link the contents of a text box in Excel to data in a cell.

How to Convert True-False to Check Boxes in Excel. Microsoft Excel's form controls can turn the Boolean options of a true-false choice into a clickable data-entry option.

Data forms are masks that display only the fields in which you want data entered. The person entering data simply types into the text box associated with each column, moving through the fields ...

How to combine Excel’s VLOOKUP() function with a combo box for enhanced searching Your email has been sent When entering data in Microsoft Excel, an autocomplete feature attempts to help. You ...

Use "Text to Columns" in Excel to clean up any type of data and you'll never need to import data from a text file again.