Say it like this
- OOO until Monday, back on the 14th.
- I'll be OOO next week with limited access to email.
- Set your OOO before you leave.
Use it at work
Telling your team
- I'll be OOO Friday.
- Heads-up: I'm OOO next week, back on the 14th.
Writing an auto-reply
- I'm OOO until Monday with limited access to email.
- For urgent issues, please contact Sam.
Checking on someone
- Is Raj OOO today?
- Who's covering while Maria is OOO?
Don't say this
Do not add "in". Say "I'm OOO" or "I'm out of the office".
Don't mix it up
| Term | What it is | Who writes or uses it | When |
|---|---|---|---|
| OOO | away from work right now | everyone, in status and email | any absence |
| PTO | paid days off | US and global tech firms | the type of leave you take |
| WFH | working, but from home | hybrid teams | still available online |
Practice
Try it
4 quick exercises
1. You will be away all next week. What is a natural Slack status?
2. I'll be _______ next week, so please contact Sam for anything urgent.
3. Which sentence uses OOO correctly?
4. Write a short OOO auto-reply: you are away until 10 May and Sam is covering.
Say it out loud
Phrase 1 of 3
"OOO until Monday, back on the 14th."
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More about OOO
Real examples(3)
- in a calendar block
"OOO: dentist appointment, 2 to 4 pm."
- in Slack
"Heads-up, Maria is OOO today, so ask Tom about the release."
- in an auto-reply
"I'm OOO until 3 June. For urgent issues, please contact Sam."
More mistakes(2)
Handle with care. OOO is fine internally. In client emails, write "out of the office" in full.
- ✕I will OOO tomorrow.✓I will be OOO tomorrow.
Use "be OOO"; it is a state, not an action.
- ✕OOO (auto-reply with no return date)✓OOO until Monday 14 June. For urgent issues, contact Sam.
A good OOO message gives a return date and a backup contact.
Other forms(2)
- out of office full form
"She is out of office this week."
- OOO message / OOO reply noun phrase
"Did you set your OOO message?"
Often used with(3)
- be OOO · be away from work
- OOO until + date · the most useful pattern
- set your OOO · turn on the automatic email reply
Similar words(3)
- out of the office · full phrase
- away · simple and neutral
- off · informal: "I'm off Friday"
Opposites(3)
- in the office
- back online
- available
Questions(4)
- What is the full form of OOO?
- OOO stands for "out of office".
- Does OOO mean vacation?
- Not always. OOO only means you are away from work. It can be vacation, sick leave, a doctor's appointment or travel.
- What should an OOO message say?
- When you are back, who to contact for urgent issues, and optionally whether you will check email.
- What is the difference between OOO and PTO?
- PTO is paid time off, a type of leave. OOO just says you are not available, for any reason.
