& sign in from name area

Hi there,
I'm trying to put & sign in campaign's from name area ilke K&B
After putting & sign and save the campaign, & sign turns to &

If I send the campaign, outlook displaying like K&B

How can I solve this problem?

mailwizz v.
First upgrade with latest version.

If & is converted to &amp, then Type in Google translate and copy paste it from there. ( Sometimes special character is converted )