QUESTION: Fix punctuation: This allows the intelligence of Windows to decide the correct software application to open your R81 file
ANS: This allows the intelligence of Windows to decide the correct software application to open your R81 file.

QUESTION: Fix punctuation: Holiday House for rent Nrlev Nordjylland Denmark  From vacation rental agency
ANS: Holiday House for rent Nørlev Nordjylland Denmark - From vacation rental agency

QUESTION: Fix punctuation: European Commission President JeanClaude Juncker said Ukraine is not alone Europe stands united behind Ukraine and the reform agenda of the new government
ANS: European Commission President Jean-Claude Juncker said: "Ukraine is not alone. Europe stands united behind Ukraine and the reform agenda of the new government.

QUESTION: Fix punctuation: Maybe just from that any similar findings considered to be continually recurring exceptions that only continuously and repeatedly confirmed their rules
ANS:
Maybe just from that any similar findings considered to be continually recurring exceptions, that only continuously and repeatedly confirmed their rules.