How do I format a cell to convert to a 10-digit phone number? ie. xxx-xxx-xxxx

select the cell(s) to format, then open the cells inspector and select the "Custom..." entry at the bottom of the format menu:

Give the format a name:

I called it "10-digit Phone Number". Now set the digits as needed. I assumed the format:

(###) ###-####

then enter the 10 digits into a cell with this format:

https://discussions.apple.com/thread/4064365

Another feature not with Numbers '08, but I've worked with on Excel for years. Shame it's taking Apple so long.

Hi MWS,

MWSibert wrote:

Another feature not with Numbers '08, but I've worked with on Excel for years. Shame it's taking Apple so long.

2008 was 7 years ago 😉. Apple has moved on since then.

Regards,

Ian.