Localizable.strings - The data couldn’t be read because it isn’t in the correct format

Question

If I copy something from textedit or web and paste it to localizable file it shows this compilation error. If I type those in localizable file it does not show any error. I am a

Answer 1

If showing something like Unexpected character " at line 1, and it is the first string like "app_name"="Any Name"

Check that the file is UTF16