Hmm, i recall there was some problem with trying to install Android apps from store before the actual Android support… they might have to be purged somehow. I don’t have time to find it now, but just a heads-up.
Issue not entirely resolved, apparently its affecting the apps of paid Sailfish X like predictive text input and enabling Android support
That works for me now (tried reinstalling Exchange support). So either it got solved, or it is an issue with your account (in which case you should contact support).
For me all problems are solved.
I guess I just had an unlucky timing when installing Sailfish OS for the first time Thanks to everyone spending their time trying to help me.