'any contents' 'any contents' is correct and usable in written English.You can use it as an indefinite pronoun or to refer to any kind of material, such as the contents of a book, email, or blog post. For example: Please read through the book and note down any contents that you find particularly interesting. correct and usable in written English.You can use it as an indefinite pronoun or to refer to any kind of material, such as the contents of a book, email, or blog post.