When to use "Every Day" vs "Everyday"?



Greetings to you, HOrse_lovers.
Firstly, 'every day' and 'everyday' are different parts of speech. Everyday is an adjective that is used to modify a noun. It means "daily occurrence", "routinely", or "commonplace". While every day is an adverb phrase that means “each day” or “daily”.
Examples:
> She always writes her everyday diary entry before going to bed.
> Andrew uses the subway every day to go to work.