If you're stuck in an open-office situation, investing in a good pair of wireless noise-cancelling headphones like the Sennheiser Momentum 2 or equivalent might

If you're stuck in an open-office situation, investing in a good pair of wireless noise-cancelling headphones like the Sennheiser Momentum 2 or equivalent might help cut out all the 'collaboration'-related noise so that you can actually get some work done. You don't have to listen to music or whatever - just turn them on for the noise-cancelling functionality.