Hijacking this with a question- what do you do when you no longer have an co-workers to serve as an out of office contact? I find myself putting up the OOO less and less, because there’s no one left to respond to anything in my absence (beyond my supervisor who has no knowledge of how to do the tasks of my job).
Image Source: https://blog.hubspot.com/marketing/hilarious-out-of-office-email-auto-replies

One may also ask, how do you write a holiday notice? Holiday Notice Letter Writing Tips Specify the duration of leave and name of the colleague who will handle your work responsibilities in your absence. Furnish contact details for any urgent requirement and mention your date of joining back work. I will be out of the office starting (Starting Date) through (End Date) returning(Date of Return). If you need immediate assistance during my absence, please contact (Contacts Name) at (Contacts Email Address). Otherwise I will respond to your emails as soon as possible upon my return. Include the date of your return. Let people know of any other individuals they can contact for help in your absence. If people typically contact you for a certain type of information or approval, let readers know how they can find the information or get the approval in your absence. How do you write a professional out of office message?
I think that it depends on whether or not that OoO was going to people in the company, who new your personsality and would appreciate the humour/personal touches, or to everyone, always. If I got the from OoO from a quirky co-worker, fine. It I got it from an outside contact that I have had little contact with? Unprofessional and a bit off-putting.