Initialism meaning “Be wary of looking at this in the office”

https://nytcrossword.info/hint/initialism-meaning-be-wary-of-looking-at-this-in-the-office

Having the means 

https://nytcrossword.info/hint/having-the-means

Numbered classical pieces 

https://nytcrossword.info/hint/numbered-classical-pieces

I gotta decline 

 https://nytcrossword.info/hint/i-gotta-decline

In one’s birthday suit 

https://nytcrossword.info/hint/in-ones-birthday-suit

Sea: Fr. 

https://nytcrossword.info/hint/sea-fr