The Microsoft OneDrive for Android app has been updated with a feature that has long been requested by users: The ability to install the app on a SD card. To this point, if you have an Android phone with a SD Card, OneDrive would not allow itself to be installed on that external storage. It is something that long time users of the cloud storage app have requested of Microsoft as it can save space, especially if you are syncing a lot of content offline from your OneDrive account, on your phone.
With version 5.9 which is now available in the Play Store, that changes. You now have the option to install the app on your SD Card. Further, if you already have the app installed, you can move the app to your card via the Settings in the app.