The announcement of holidays to the employees should be done in a professional and formal way. One way to do this is to write a memo and send to all the employees to inform them about the upcoming holidays and closing of the office. The other way is to write the letter and send it to each employee individually.
What we need in our work communication is not more professional politeness or less formal, chat-based messaging applications like Slack. We need honesty. The problem is that we’ve conditioned ourselves to see honesty as self-indulgent or disrespectful. I’d argue the opposite is true. Honesty, even if it’s a bit more inconvenient for all parties in the moment, pays dividends later. It builds trust. When my partner Anne Helen Petersen and I were interviewing people for our forthcoming book on remote work, a frequent lament from both middle managers and workers was that they didn’t feel like they knew how to succeed in their jobs; that they were guessing what their superiors and coworkers wanted and, even when they asked, they didn’t quite trust the responses they got back.

I want to answer every question you could possibly have in my out of office message, because otherwise you’re going to text my personal number and disturb whatever I am out of the office for. NOPE.
Smugness: it’s almost impossible to dodge in an OOO. London-based poet Rishi Dastidar, whose debut collection Ticker-Tape is billed as a “maximalist take on 21st Century living”, embraces this and lets his inner show-off have free rein by penning poems for his OOOs. “Yes, the tone of these poems is a little self-satisfied – but if you have to tell colleagues you are away, why not try and do it with a little style and pizzaz?” he points out, adding that it’s also one of the few mediums where you’re guaranteed an audience. Here’s how he explained he was away in France: