[Vocabulary] Does the word "by the way" mean the same as "incidentally"?

[eggcracker]

Does the word "by the way" mean as same as "incidentally" in the below sentence?
"Incidentally, have you heard the news about Sue?"

 

[CarloSsS]

NOT A TEACHER

Yes, it does. For more information, see incidentally - Definition and pronunciation | Oxford Advanced Learners Dictionary at OxfordLearnersDictionaries.com

 

[bhaisahab]

Does the phrase "by the way" mean as same as "incidentally" in the sentence below?
"Incidentally, have you heard the news about Sue?"

Yes.

 

[eggcracker]

Yes.

Can I add another question about "incidentally"?
Does the use of "incidentally" make a sentence more formal than "by the way"?

 

[CarloSsS]

Can I add another question about "incidentally"?
Does the use of "incidentally" make a sentence more formal than "by the way"?

NOT A TEACHER

IMO, yes.