It's meant for specialty situations, as opposed to for an entire organization, such as process control devices on the manufacturing floor that are not connected to the internet. Office LTSC is generally available today, the post said, and includes enhanced accessibility features, performance improvements across Word, Excel and PowerPoint, and visual improvements, like dark mode support across apps. Office 2021 arrives in two versions: one for commercial users, called Office LTSC (which stands for Long Term Servicing Channel), and one for personal use.
