SharePoint - Link
Microsoft Tech Community -
SharePoint - Link
support.microsoft.com
SharePoint - Link
Official Blogs -
SharePoint - Link
products.office.com
SharePoint - Link
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Unofficial Resources - Info, Tips and Tricks
Unofficial Blog - Link - (icansharepoint.com)
So, what is SharePoint - Link
An introduction to SharePoint surveys - Link
Infographic - The document circle of life in Office 365 - Link
Tips on what and where to share
An everyday guide to Office 365 Groups - Link
How to create a My Documents view in a SharePoint library - Link
Beginner's guide to SharePoint metadata - Link
How to search in SharePoint - Link
Infographic - The basics of SharePoint document libraries - Link
Practical guide to SharePoint site permissions - Link
How to share externally with SharePoint Online - Link
Infographic - File type and naming restrictions - Link
The absolute basics of version history - Link
What it was really like migrating to SharePoint Online - Link