Yes, I phoned a dentist office late in the day for a reinfected root canal problem and got a cutsy “humphrey bogart” fake reply on their voicemail — I thought it was extremely inappropriate for a business office to use something like this. It was hard to find it funny, especially because while calling me “sweetheart” and all that, the message didn’t actually tell me when they might return my call (later that day? Next day? Next week? Never?) nor did they offer any options for emergency contact with another dentist.
Out of office messages can be as concise or detailed as you need but should follow a standard structure. Here are two templates you can use to create your own message.

If you don’t clearly state the dates on which you will be disconnected from work, your office co-workers and clients will most likely send you multiple emails, clogging your inbox. That will make it quite difficult for you to catch up when you get back. Also, if you don’t include the name and contact information in your outgoing message for the co-workers who can help in your absence, your well-deserved and pleasant vacation time could get in the way of specific projects in the company.
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