Create Phone Number Field

[H.R.H.]

I've create a field for a US phone number in a fillable PDF with 3 text boxes (like [   ]-[   ]-[    ], with the first 2 boxes having 3 characters and the last box having 4 characters). However, how do I make the text box have border lines so that each number is separated from the next once typed?

[try67]

Use the Comb option under the field's Properties, Options tab.

[H.R.H.]

The Comb option is showing up as unavailable in the Options tab. Any ideas of trouble shooting I can try? Or do I need to uncheck/check something else to make that option open up?

[try67 · Accepted solution]

Limit and Comb are mutually exclusive. The Comb option is also a limit, though, as the user can't enter more than the number of "combed" characters.