0 They both mean the same thing. 02br 00To some ears the version with "so" sounds ever-so-slightly 'warmer' and 'sincere'. I don't think there's any proof of that.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
Each phrase is correct, but it will often be found used in different situations.
For example, thank you so much might be used casually.
Alternatively, thank you very much might be used more formally.
Casual is an adjective.
The adjective, casual, means relaxed and unconcerne
Thank you so much seems to be a direct respond by an individual versus Thank you very much had a mutual agreement to approve a companionship.