sorting my column by date

[onefunliz]

I go to table tools and then to data then sort by date and it does nothing. I
gave it the header cb(call back) date it's just not working.

 

[Jean-Guy Marcil]

onefunliz was telling us:
onefunliz nous racontait que :

I go to table tools and then to data then sort by date and it does
nothing. I gave it the header cb(call back) date it's just not
working.

Are the dates formatted according to the sorting language (when you sort,
click on "Options..." and check the sorting language).