You can't transfer it to a removable SD Card but you can format your SD card as internal storage and move some of the apps to SD Card. But you won't be able to remove the SD card after that.
It is removable, physically. Just that you need to format it before using it on any new device apart from the current phone.
You can enable developer options and move apps to this internal memory. Not all applications work well with this. Kindly search for similar topics on this forum. All these questions are answered.New - https://community.phones.nokia.com/support/discussions/topics/7000023628/page/last#post-7000046742
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