Powershell is a program to learn if you want to automate windows work. Microsoft condemns vbscript, which is part of the Windows Script Host, and pushes Powershell as a modern replacement for vbscript. For example, Microsoft is creating more and more APIs for Powershell. On the other hand, vbscript has a lot of similarities with vba, which is a standard program for automating Word, Excel and Outlook.
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