This should also be a call to those of us (personal or organisations) who have been using free and open source alternatives such as LibreOffice, FreeOffice, ONLYOFFICE, and many others for the last decade or two, to make a small donation to those projects for keeping their office suites free and open source, as well as free of vendor lock-in.
See https://techcentral.co.za/big-microsoft-price-increases-coming-next-year