The OOXML Validator validates Office Open XML files (.docx, .docm, .dotm, .dotx, .pptx, .pptm, .potm, .potx, .ppam, .ppsm, .ppsx, .xlsx, .xlsm, .xltm, .xltx, or .xlam ...
You can also open any file in H5Web with right click -> Open with... -> H5Web (any extension), or, if you've already opened the file, by invoking View: Reopen Editor With... from the command palette: ...
A stealthy campaign with 19 extensions on the VSCode Marketplace has been active since February, targeting developers with ...