what is the maximum limit to add the values to single drop down field

[Poojase]

what is the maximum limit to add the values to single drop down field

[Nic Brough _Adaptavist_]

Technically, a big number.  Before you reach it, your field will have become useless to the user, and the browser will struggle to render it.

[Poojase]

can we add 5000+ records???

[Nic Brough _Adaptavist_]

Yes, but your users will not find this particularly usable and are quite likely to put rubbish in.