Microsoft is shutting down its Docs.com site in December and advising affected users to go with LinkedIn's SlideShare and/or OneDrive for their file storage needs instead.
Microsoft’s Docs.com service to be discontinued
Microsoft is retiring the Docs.com service on Friday, December 15, 2017 and we are hereby advising all users to move their existing Docs.com content to other file storage and sharing platforms as soon as possible, as Docs.com will no longer be available after this date.