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Written by Bijay Kumar, 13-time Microsoft MVP

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# Find .log files older than 30 days
PS C:\Scripts> Get-ChildItem C:\Logs -Filter *.log |
>> Where-Object LastWriteTime -lt (Get-Date).AddDays(-30) |
>> Select-Object Name, LastWriteTime

Name          LastWriteTime
----          -------------
app-0712.log  7/12/2026 9:14:02 AM
app-0713.log  7/13/2026 9:15:47 AM

PS C:\Scripts>
Tested on PowerShell 7 and 5.1Learn this script
  • Copy-and-run scripts with the real output for every example
  • Fixes for real error messages admins hit every day
  • Kept up to date as PowerShell and Windows change

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