out-of-office message

noun
UK /ˌaʊt əv ˈɒfɪs ˌmesɪdʒ/
US /ˌaʊt əv ˈɔːfɪs ˌmesɪdʒ/

A note that tells people you are away and cannot answer right now.

She set an out-of-office message before leaving for her holiday.


OTHER MEANINGS

2. A recorded phone greeting that plays when someone is away from the desk.

His out-of-office message on the phone said he would return on Monday.

3. A status shown in a chat app to say a person is not available.

Her chat profile showed an out-of-office message all week.

4. A short written notice posted on a door or desk to explain an absence.

The out-of-office message on the door told visitors to come back after lunch.