Are the logs from all .evtx and .etl files included with Get-EventLog and Get-WinEvent?

Before realizing we could just use `Get-EventLog` and `Get-WinEvent`, then pipe that to `ConvertTo-Json`, we (being new to the industry) were planning on exporting all of the `.evtx` and `.etl` files, then using various open source parsers to convert them to JSON, then to DataFrames in Python for some data science and visualization.

I guess that's a still useful approach if we don't have access to a live system, only a forensic image of a file-system. But definitely if `Get-EventLog` …

cybersecurity eventlog evtx files logs