Auto Complete tab names

After reviewing a lot of questions regarding Excel in this forum, my question is very simple

In a document, the tabs at the bottom I individually rename for each month (Jan-Dec). I thought I remember learning a trick way back in the day where if you start the first tab as JAN, there was a way to autocomplete the rest of the tabs for the following months. Does this sound familiar to anyone? I've been racking my brain trying to figure it out but I am not getting anywhere. Help would be GREATLY appreciated.

Regards,

Janelle

Ok, you can say I am still in the "beginning" stages of Excel and I haven't quite figured out the macro thing yet. I have used files that already have the macro in it but I don't know anything else about them. Looks like I need to take another course!

Theres not any other way to do it?