Microsoft will definitely make more consoles and other devices in the future.
The future at Microsoft is multiplatform. Xbox boss Phil Spencer made this clear to Bloomberg this week. In the interview he said that there is no red line in the portfolio when it comes to publishing first-party games on other platforms.
But while many are already predicting the downfall of Xbox, Spencer is countering this and making it clear that this is not the end. Opposite Rolling Stones
By “other devices” he probably means the Xbox handheld, which is still years away, as he himself stated.