FSOwner
FS Owner
Both Google and Microsoft are intent on being Office users' preferred way of collaborating on documents.
Microsoft has been touting not only SharePoint, but also its Office Web Apps — and its Microsoft Docs sibling — as a way for users to share Office documents. Office Web Apps allows users running vaious browsers and operating systems to view (and sometimes also edit/create) Office documents, even if they don’t have Office installed on their PCs or devices...
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Mary Jo Foley's Blog