International Customer Support Day is observed on May 20 and is dedicated to recognizing the contributions of customer support professionals worldwide. Founded by Microsoft, this annual event encourages individuals and organizations to express appreciation for the hard work and dedication of customer support teams. Common customs include writing thank-you notes, sharing positive experiences on social media, and nominating exceptional representatives for recognition. Organizations may also hold team celebrations and focus on professional development through webinars and workshops. The day highlights the crucial role customer support plays in ensuring customer satisfaction and maintaining trust between businesses and consumers.