Create multiple tiny CSV files from a large one – with PowerShell

Some time ago I wrote an article how to split a large CSV file by using categories that are used inside: Splitting up a big CSV file to multiple smaller CSV files using PowerShell

Sometimes you just want to separate a large file to smaller ones, e.g. because you are having trouble with large Exchange migration batches. I am starting to make Exchange migration batches not larger than 20 users because during the last weeks and months I very often face the problem that Migration batches just stuck and do nothing – without any error or further message. Most times they run, some few times… just nothing..

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