Weird problem for using mht files

Hi all,

Most of you know mht files are EXCEl files with html codes. Now i have a little problem with it!

I have a field where i can use multiple lines, but after adding it manualy into the file and loading it with excel all lines are on one line and after clicking on the content the lines will be lines again!?

See video:
video

Does anyone has any sollution?

Anyone? please!

The solution is (dutch) Terugloop (walkback in cellproperties)