If you are using iPhone and dealing with
Gmail keeps crashing Windows 10 then try clearing cache and data from Gmail app. Over the prolonged use of the application, cache files might get accumulated on device which might lead to the issue. So, to clear the cache and data from Gmail app then click on settings and then apps > all apps > Gmail. Choose storage from the list of options and click on clear cache and then clear data. Lastly, you can restart the device and check whether the issue is resolved or not.