QUESTION: Fix punctuation: Compatible with LabelManager LabelPoint and LabelWriter DUOlabelprinters and old DYMO labelprinters using D1 tapes
ANS: Compatible with LabelManager-, LabelPoint- and LabelWriter DUO-labelprinters and old DYMO labelprinters using D1 tapes

QUESTION: Fix punctuation: The closest airport for Kiten is
ANS: The closest airport for Kiten is:

QUESTION: Fix punctuation: In older buildings there will be difficult to find builtin models
ANS: In older buildings, there will be difficult to find builtin models.

QUESTION: Fix punctuation: Before you can open a CPI file youll need to figure out what kind of file the CPI file extension refers to
ANS:
Before you can open a CPI file, you'll need to figure out what kind of file the CPI file extension refers to.