Outlast.:shock: Actually I've played it twice already but I just suddenly want to experience it again.:chuckle:
I'm waiting for season 2.
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The built-in tool has some limitations when managing partitions. Apart from MiniTool, AOMEI also completely supports SSD 4k alignment.
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Will the drive appear when in some third-party software like AOMEI Partition Assistant or EaseUs or else?

AOMEI and Macrium Reflect are my top choice.

I haven't tried to do it cuz now I use a web app to sync files from OneDrive. But there's an instruction that may give a help for reinstallation in Windows 10 which I saw before:
1. Restart your PC...

I have used OneDrive on Windows 7. Is it pushing hard with Windows 10? Sorry not sure about that. Anyway, since now I employ multiple cloud drives to save different types of documents, I use...

As Oliverpowell said you may first check the option is ticked or not. If still not works, you can try some third-party partition software like AOMEI Partition Assistant or else to change drive...