Online tutorials in Microsoft software

We have published many blogs on this website, amongst them four full-blown tutorials:

Software Tutorial
ASP.NET webforms How to create the perfect simple ASP.NET website
Excel VBA Learning to program in Visual Basic for Applications within Excel
SQL programming Learning to program using T-SQL (the dialect used within SQL Server)
SSAS (Tabular Model) How to create and use tabular models in Analysis Services, including DAX

In addition, we've created a number of video tutorials, for those who prefer not to have to click between topics!