Automate connecting to Office 365 with PowerShell

[vc_row][vc_column][vc_column_text]Connecting to Office 365 with PowerShell enables you to perform many functions not available in the GUI.  But what if you want to automate these functions.  Connecting to Office 365 with PowerShell will prompt you for credentials for that session.  Now credentials can be saved in the script but that would be a security issue having your password saved in a file.  The way around that would be to save your password as a secure string in a text file.  And that is easy:

Read-Host -Prompt “Enter your password” -AsSecureString | ConvertFrom-SecureString | Out-File “C:\scripts\cred.txt

Your password will be encrypted and look like this:

$AdminName = “admin@domain.onmicrosoft.com”
$Pass = Get-Content “c:\scripts\cred.txt” | ConvertTo-SecureString
$Cred = new-object -typename System.Management.Automation.PSCredential -argumentlist $AdminName, $Pass
$Session = New-PSSession`
-ConfigurationName Microsoft.Exchange -ConnectionUri https://outlook.office365.com/powershell-liveid/`
-Credential $cred -Authentication Basic -AllowRedirection

Import-PSSession $Session

After the connection part you can add your desired function to the script.  Let’s say for instance you want to export a list of shared mailboxes.

Get-Mailbox -RecipientTypeDetails SharedMailbox -ResultSize Unlimited | Select DisplayName | sort DisplayName | Export-Csv c:\scripts\SharedMailboxes.csv -NoTypeInformation

**This illustrates how an O365 administrator can introduce automation in scripts that they own and control individually. For scheduling automation tasks it is recommended to use a dedicated service account.[/vc_column_text][/vc_column][/vc_row]

Share:

Facebook
Twitter
LinkedIn

Contact Us

Name
=
On Key

More Posts

WME Microsoft 365 Updates No. 025
Azure

WME Microsoft 365/Azure Updates 22 August 2025

1. Exchange Online: Temporary Mailbox Access Disruption via MAPI Overview Some Exchange Online users experienced mailbox access issues via the Messaging API (MAPI) on August 20, 2025. The disruption occurred after Microsoft reverted a recent service

Read More »
Be assured of everything

Get WME Services

Stay ahead of the competition with our Professional IT offerings.

=