> ## Documentation Index
> Fetch the complete documentation index at: https://ps365.clidsys.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Get-ExMailboxOnMicrosoftAddress

## SYNOPSIS

Lists Exchange Online mailboxes with an @onmicrosoft.com email address

## SYNTAX

```powershell theme={null}
Get-ExMailboxOnMicrosoftAddress [[-Identity] <string[]>] [-ByDomain <string>] [-ExportToExcel]
 [-ExportPath <string>]
```

## DESCRIPTION

Retrieves Exchange Online mailboxes that have an email address ending with @onmicrosoft.com.
Returns an object for each mailbox with relevant details.

## EXAMPLES

### EXAMPLE 1

```powershell theme={null}
Get-ExMailboxOnMicrosoftAddress
```

Returns objects containing mailbox details for those with @onmicrosoft.com addresses.

### EXAMPLE 2

```powershell theme={null}
Get-ExMailboxOnMicrosoftAddress -ByDomain "contoso.com"
```

Returns mailboxes with @onmicrosoft.com addresses filtered by the specified domain.

### EXAMPLE 3

```powershell theme={null}
Get-ExMailboxOnMicrosoftAddress -Identity "user@contoso.com"
```

Returns the @onmicrosoft.com address for the specified mailbox identity.

### EXAMPLE 4

```powershell theme={null}
$mailboxes | Get-ExMailboxOnMicrosoftAddress
```

### EXAMPLE 5

```powershell theme={null}
Get-ExMailboxOnMicrosoftAddress -ExportToExcel
```

Exports results to an Excel file.

## PARAMETERS

### -ByDomain

\{\{ Fill ByDomain Description }}

```yaml theme={null}
Type: System.String
DefaultValue: ''
SupportsWildcards: false
Aliases: []
ParameterSets:
- Name: (All)
  Position: Named
  IsRequired: false
  ValueFromPipeline: false
  ValueFromPipelineByPropertyName: false
  ValueFromRemainingArguments: false
DontShow: false
AcceptedValues: []
HelpMessage: ''
```

### -ExportPath

Optional output directory for the Excel export (defaults to the user profile).

```yaml theme={null}
Type: System.String
DefaultValue: ''
SupportsWildcards: false
Aliases: []
ParameterSets:
- Name: (All)
  Position: Named
  IsRequired: false
  ValueFromPipeline: false
  ValueFromPipelineByPropertyName: false
  ValueFromRemainingArguments: false
DontShow: false
AcceptedValues: []
HelpMessage: ''
```

### -ExportToExcel

If specified, exports the results to an Excel file in the user's profile directory.

```yaml theme={null}
Type: System.Management.Automation.SwitchParameter
DefaultValue: False
SupportsWildcards: false
Aliases: []
ParameterSets:
- Name: (All)
  Position: Named
  IsRequired: false
  ValueFromPipeline: false
  ValueFromPipelineByPropertyName: false
  ValueFromRemainingArguments: false
DontShow: false
AcceptedValues: []
HelpMessage: ''
```

### -Identity

\{\{ Fill Identity Description }}

```yaml theme={null}
Type: System.String[]
DefaultValue: ''
SupportsWildcards: false
Aliases: []
ParameterSets:
- Name: (All)
  Position: 0
  IsRequired: false
  ValueFromPipeline: true
  ValueFromPipelineByPropertyName: true
  ValueFromRemainingArguments: false
DontShow: false
AcceptedValues: []
HelpMessage: ''
```

### CommonParameters

This cmdlet supports the common parameters: -Debug, -ErrorAction, -ErrorVariable,
-InformationAction, -InformationVariable, -OutBuffer, -OutVariable, -PipelineVariable,
-ProgressAction, -Verbose, -WarningAction, and -WarningVariable. For more information, see
[about\_CommonParameters](https://go.microsoft.com/fwlink/?LinkID=113216).

## INPUTS

### System.String\[]

## OUTPUTS

## NOTES

## RELATED LINKS

* [https://ps365.clidsys.com/docs/commands/Get-ExMailboxOnMicrosoftAddress](https://ps365.clidsys.com/docs/commands/Get-ExMailboxOnMicrosoftAddress)