what new in office 365?

Another helpful link is the Office 365 roadmap http://fasttrack.microsoft.com/roadmap

A best way is get the update from social media like twitter. We will get "What new in Office 365? " as well as what happening in office 365 team! . You will get all updates in one place. 

https://twitter.com/Office365

For SharePoint, personaly I will follow 

https://blogs.office.com/sharepoint/

For patching update: 

https://blogs.technet.microsoft.com/stefan_gossner/

Hi Diaaeldein ‏‏ Yossry Hassan Ahmed, here's a youtube channel you can subscribe to that has all the latest updates for Office 365.

https://www.youtube.com/playlist?list=PLXPr7gfUMmKwn422HmCx7b7D5qh9T6frb

Hope it helps.

Kind Regards,

Fred

Microsoft Visio

is a https://en.wikipedia.org/wiki/Diagramming_software and https://en.wikipedia.org/wiki/Vector_graphics application and is part of the https://en.wikipedia.org/wiki/Microsoft_Office family