Can I rename a column header?

You can right-click on the specific caption, then choose Table > Dynamic Captions > Edit dynamic caption for this member.

On the left it will open this tab where you can input your own caption instead of {cellvalue}:

This will only change the caption in that crosstab. 

Right click the caption that should be edited and :

Anyone know how to add translations on your Dynamic Captions?

Hi Femke,

You cannot add translations to your Dynamic captions. However, see this post: https://community.targit.com/hc/en-us/community/posts/360015453077-Dynamic-Measure-Caption-and-translation

BR / Ole