I wanted to post this as both a general resource, but also as a plea for your support. Microsoft has websites where you can suggest new features for development. If you've ever used sparkline and tried to export them and/or scale them, you've likely noticed that they end up pixelated. Please vote for this request (up to 3 times) to have Microsoft consider including this feature in Excel in the future.

https://excel.uservoice.com/forums/3...calability-and