Preview Pane for Office Docs not working

See article:

https://learn.microsoft.com/en-us/troubleshoot/microsoft-365-apps/office-suite-issues/no-file-previews-file-explorer-switching-to-32-bit

Known to work:

Search for and delete the following registry subkeys:

Word Preview: HKCR\CLSID\{84F66100-FF7C-4fb4-B0C0-02CD7FB668FE}

PowerPoint Preview: HKCR\CLSID\{65235197-874B-4A07-BDC5-E65EA825B718}

Excel Preview: HKCR\CLSID\{00020827-0000-0000-C000-000000000046}

Close Registry Editor, and restart Windows.