Start with 12345678901 in a cell. Then:

Format Cells Custom "A"000-0000-0000

Don't manually enter the "A", let the formatting do it.
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Gary''s Student - gsnu200779


"cliff" wrote:

Hi, I need to format text and numbers, but I keep messing up.
For example, I want to format
A12345678901 so that it will appear as
A123-4567-8901

Please help?