I found myself laughing for having used a majority of these phrases in meetings or emails. To each his own, I guess. The initial phrase is what you use in verb

I found myself laughing for having used a majority of these phrases in meetings or emails. To each his own, I guess. The initial phrase is what you use in verbal communication, if you have a close working relationship. The 'professional' version goes in the email, which you assume is publicly distributed.