In a recent blog post, I illustrated how to use PowerShell to bulk provision security groups and users in SharePoint Online using CSV files. That blog assumed you already had one or more site collections to which you wanted to add security groups and users. However, if you do not yet have site collections, you can also create them in PowerShell, either manually or automatically. In this post, we will again use a CSV file to create multiple site collections with a simple PowerShell script.
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