How do I share read/view-only documents?

Sharing files from OneDrive or Sharepoint permits sharing read/view only documents. This may be useful when sharing a slideshow with students that you do not wish them to download and edit, for example. Choose the option to share the file as a link and select options to block download and choose to share the link only with people in Harvard University, as shown here:

Settings for sharing a document in Sharepoint only for read-only.
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