Learn the correct usage of "not available " and "isn't available " in English. Discover differences, examples, alternatives and tips for choosing the right phrase. When you need to convey that you will not be available , it's important to do so in a professional and polite manner. Here are nine different ways to communicate this message effectively: I will be out of the office Regrettably, I will not be available Unfortunately, I will be unavailable I will have limited availability Regretfully, I will not be able to take your call I will be away from my desk Please be advised that I will be out of reach Kindly note that I will not be accessible I will ... Learn the difference between "unavailable" and " not available " and how to use them correctly. See examples, synonyms, and the abbreviation for " not available ". ITR forms and Excel utilities out, but you still can’t file income tax return online – Know why Taxpayers need to wait until after 15 June, 2025, to file their returns. This ensures that all ...