How to generate an uuid in google sheet (for exemple ccb8a660-91c9-a556-58e0-4fa7-229516872004).
Either with a macro? or a formula?
thinkyfish formula corrected, based on broofa's response at How to create a GUID / UUID
=CONCATENATE(MID("0123456789abcdef",RANDBETWEEN(1,16),1),MID("0123456789abcdef",RANDBETWEEN(1,16),1),MID("0123456789abcdef",RANDBETWEEN(1,16),1),MID("0123456789abcdef",RANDBETWEEN(1,16),1),MID("0123456789abcdef",RANDBETWEEN(1,16),1),MID("0123456789abcdef",RANDBETWEEN(1,16),1),MID("0123456789abcdef",RANDBETWEEN(1,16),1),MID("0123456789abcdef",RANDBETWEEN(1,16),1),"-",MID("0123456789abcdef",RANDBETWEEN(1,16),1),MID("0123456789abcdef",RANDBETWEEN(1,16),1),MID("0123456789abcdef",RANDBETWEEN(1,16),1),MID("0123456789abcdef",RANDBETWEEN(1,16),1),"-4",MID("0123456789abcdef",RANDBETWEEN(1,16),1),MID("0123456789abcdef",RANDBETWEEN(1,16),1),MID("0123456789abcdef",RANDBETWEEN(1,16),1),"-",MID("89ab",RANDBETWEEN(1,4),1),MID("0123456789abcdef",RANDBETWEEN(1,16),1),MID("0123456789abcdef",RANDBETWEEN(1,16),1),MID("0123456789abcdef",RANDBETWEEN(1,16),1),"-",MID("0123456789abcdef",RANDBETWEEN(1,16),1),MID("0123456789abcdef",RANDBETWEEN(1,16),1),MID("0123456789abcdef",RANDBETWEEN(1,16),1),MID("0123456789abcdef",RANDBETWEEN(1,16),1),MID("0123456789abcdef",RANDBETWEEN(1,16),1),MID("0123456789abcdef",RANDBETWEEN(1,16),1),MID("0123456789abcdef",RANDBETWEEN(1,16),1),MID("0123456789abcdef",RANDBETWEEN(1,16),1),MID("0123456789abcdef",RANDBETWEEN(1,16),1),MID("0123456789abcdef",RANDBETWEEN(1,16),1),MID("0123456789abcdef",RANDBETWEEN(1,16),1),MID("0123456789abcdef",RANDBETWEEN(1,16),1))
UUID Version 4 compliance.