PowerShell template · Beginner · Read-only · Low risk

Export mailbox sizes

Exports mailbox sizes and item counts.

What this PowerShell script does

Exports mailbox sizes and item counts.

Requirements

  • CSV output path — Example: C:\Temp\report.csv
  • SearchBase / output override — Optional

Environment

  • Module: ExchangeOnlineManagement
  • Permissions: View-Only Recipients
  • Output: CSV report
  • Context: Exchange Online PowerShell
  • Risk: Low

Why use this template?

This free PowerShell script is intended for Microsoft administrators who need a repeatable way to exports mailbox sizes and item counts. It is generated locally and can be reviewed before you run it in your own environment.

The template uses ExchangeOnlineManagement and requires View-Only Recipients. Output: CSV report. Level: Beginner. Action: Read-only. Risk: Low.

Review before running

This template is generated locally in your browser. Review the generated command and test it outside production before use. Read-only describes the intended action of the template; your own wrapper scripts or surrounding commands can still change data.

Generate the script

Use the Builder to supply the required values, select the recommended PowerShell target and generate a copyable script. Nothing needs to be uploaded to Opselith.

Generate Export mailbox sizes →