Thanks for the guide! This information helped me disable another chrome feature, casting. I previously disabled casting through chrome's experimental flags feature, but as of a recent chrome update...

The Settings options have registry values that weren't listed in this guide.

[HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\SearchSettings]
"IsMSACloudSearchEnabled"=dword:00000000...

I'm either missing or seeing different options than this guide shows. Running 19041.508. Is it perhaps because I'm using a local account and not signed in with a Microsoft account? This screenshot...

Another side effect of disabling indexing is that Windows Search (SearchApp.exe) will then display messages stating that indexing was turned off. See screenshots below.

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There...

The header for option three has a typo. "Turn On or Off Show OneDrive Cloud States in Navigation Pane using a REG file"