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On one computer, we can go to c:\Program Files (x86)\Common Files\microsoft shared\OFFICE16\Office Setup Controller\Lync.en-us\setup.xml, check the
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If it is volume licensed standalone Skype for Business 2016, we can try to use Setup command-line options for the uninstalling: Is it volume licensed MSI version of Skype for Business 2016 or retailed click-to-run version? I would like to know what the detailed installation method of Standalone Skype for Business 2016 is installed on current machines.
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