A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data.
Whether or not lots of people use excel.uservoice.com, that is what the product team now use as a significant input to their planning for updates. So it is better to use it than other channels (like this one) which they do not monitor.
Office 365 now has a monthly update cycle (I believe) which is quite a change from the 1 year cycle of service releases in the past. Whether this frequent update cycle is good or bad depends on the nature of your use, which is why corporate users can opt for a less frequent update cycle that enables them to test their applications in the new version before it gets rolled out.