Ryan “Ike” Eisenhauer on Instagram: "To set blackout dates in Microsoft Project, go to the Project tab > Change Working Time, select your project calendar (or create a new one), use the Exceptions tab to add specific non-working days like holidays by naming them and setting start/finish dates. or Use the Work Weeks tab > Details for recurring non-working periods (like winter shutdowns) to block out time, ensuring all tasks automatically skip these days. To set lower productivity in MS Project, a