Core Point - Microsoft Publisher, a classic desktop publishing software with a 35-year history, will be discontinued, with all support services ending in October 2026 [1] Group 1: Product Lifecycle - Microsoft officially announced that Publisher will no longer be included in Microsoft 365 services starting October 2026 [1] - Publisher was first introduced in 1991 and became part of Office 97, primarily used for creating greeting cards, newsletters, brochures, and marketing materials [1] Group 2: Reasons for Discontinuation - The main reason for the discontinuation of Publisher is its redundancy, as many of its functions can now be replaced by other Microsoft 365 tools [1] - Tools such as Word, PowerPoint, Designer, and Microsoft Create have evolved to cover most of the use cases that Publisher originally served [1] Group 3: User Recommendations - Microsoft strongly advises current Publisher users to take action by converting all Publisher files to more universal formats like PDF or Word for storage and backup [1]