Formal informal

Using bullet points or one-line responses can be considered too informal for executive-level communication.

"Yo! Can you check this out real quick?" can be formal if used in a start-up or tech environment.

"Apologies for the delay" is informal because it doesn’t use a full sentence.

"Kindly revert back to me at your earliest convenience" is a standard phrase in casual emails among friends.

"Please let me know if you have any questions or concerns" is a formal, soft-close commonly used in emails.

"I’m reaching out regarding..." is more formal than “Just wanted to ask about...”

"I appreciate your input" is a neutral statement that can be formal or informal depending on tone.

"Please advise" is formal and may sound passive-aggressive if used incorrectly.

The difference between formal and informal communication is only about the vocabulary used.

“Per our last conversation...” sounds formal and respectful in follow-up emails.

“No worries, take your time” is a professionally polite phrase suitable for client emails.