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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
---
description: The `Format.ps1xml` files in PowerShell define the default display of objects in the PowerShell console. You can create your own `Format.ps1xml` files to change the display of objects or to define default displays for new object types that you create in PowerShell.
Locale: en-US
ms.date: 04/25/2022
ms.date: 12/26/2025
online version: https://learn.microsoft.com/powershell/module/microsoft.powershell.core/about/about_format.ps1xml?view=powershell-5.1&WT.mc_id=ps-gethelp
schema: 2.0.0
title: about_Format.ps1xml
Expand Down Expand Up @@ -88,7 +88,7 @@ headers, and the properties that are displayed in the body of the view. The
format in `Format.ps1xml` files is applied just before the data is presented to
the user.

## CREATING NEW FORMAT.PS1XML FILES
## Creating new Format.ps1xml files

The `.ps1xml` files that are installed with PowerShell are digitally signed to
prevent tampering because the formatting can include script blocks. To change
Expand All @@ -98,9 +98,7 @@ session.

To create a new file, copy an existing `Format.ps1xml` file. The new file can
have any name, but it must have a `.ps1xml` file name extension. You can place
the new file in any directory that is accessible to PowerShell, but it's useful
to place the files in the PowerShell installation directory (`$PSHOME`) or in a
subdirectory of the installation directory.
the new file in any directory that is accessible to PowerShell.

To change the formatting of a current view, locate the view in the formatting
file, and then use the tags to change the view. To create a view for a new
Expand All @@ -127,12 +125,11 @@ view of the culture objects. The following `Select-String` command finds the
file:

```powershell
$Parms = @{
Path = "$PSHOME\*Format.ps1xml"
Pattern = "System.Globalization.CultureInfo"
$selectParams = @{
Path = "$PSHOME\*Format.ps1xml"
Pattern = 'System.Globalization.CultureInfo'
}

Select-String @Parms
Select-String @selectParams
```

```Output
Expand All @@ -142,14 +139,20 @@ C:\Windows\System32\WindowsPowerShell\v1.0\DotNetTypes.format.ps1xml:115:
<TypeName>System.Globalization.CultureInfo</TypeName>
```

This command reveals that the definition is in the `DotNetTypes.Format.ps1xml`
This command reveals that the definition is in the `DotNetTypes.format.ps1xml`
file.

The next command copies the file contents to a new file,
`MyDotNetTypes.Format.ps1xml`.
The following commands copy the file contents to a new file named
`MyDotNetTypes.Format.ps1xml` in a newly created `$HOME\Format` directory.

```powershell
Copy-Item $PSHOME\DotNetTypes.format.ps1xml MyDotNetTypes.Format.ps1xml
New-Item -Path $HOME\Format -ItemType Directory -Force

$copyParams = @{
LiteralPath = "$PSHOME\DotNetTypes.format.ps1xml"
Destination = "$HOME\Format\MyDotNetTypes.Format.ps1xml"
}
Copy-Item @copyParams
```

Open the `MyDotNetTypes.Format.ps1xml` file in any XML or text editor, such as
Expand Down Expand Up @@ -289,10 +292,10 @@ the current PowerShell session.

This example uses the **PrependPath** parameter to place the new file in a
higher precedence order than the original file. For more information, see
[Update-FormatData](xref:Microsoft.PowerShell.Utility.Update-FormatData).
[Update-FormatData][03].

```powershell
Update-FormatData -PrependPath $HOME\Format\CultureInfo.Format.ps1xml
Update-FormatData -PrependPath $HOME\Format\MyDotNetTypes.Format.ps1xml
```

To test the change, type `Get-Culture` and review the output that includes the
Expand All @@ -310,8 +313,8 @@ LCID Name Calendar DisplayName

## The XML in Format.ps1xml files

The full schema definition can be found in [Format.xsd](https://github.com/PowerShell/PowerShell/blob/master/src/Schemas/Format.xsd)
in the PowerShell source code repository on GitHub.
The full schema definition can be found in [Format.xsd][04] in the PowerShell
source code repository on GitHub.

The **ViewDefinitions** section of each `Format.ps1xml` file contains the
`<View>` tags that define each view. A typical `<View>` tag includes the
Expand Down Expand Up @@ -376,13 +379,13 @@ that the `<ListControl>` tag is intended to display.
### WideControl tag

The `<WideControl>` tag typically contains a `<WideEntries>` tag. The
`<WideEntries>` tag contains one or more `<WideEntry>` tags. A `<WideEntry>` tag
contains one `<WideItem>` tag.
`<WideEntries>` tag contains one or more `<WideEntry>` tags. A `<WideEntry>`
tag contains one `<WideItem>` tag.

A `<WideItem>` tag must include either a `<PropertyName>` tag or a
`<ScriptBlock>` tag. A `<PropertyName>` tag specifies the property to display at
the specified location in the view. A `<ScriptBlock>` tag specifies a script to
evaluate and display at the specified location in the view.
`<ScriptBlock>` tag. A `<PropertyName>` tag specifies the property to display
at the specified location in the view. A `<ScriptBlock>` tag specifies a script
to evaluate and display at the specified location in the view.

A `<WideItem>` tag can contain a `<FormatString>` tag that specifies how to
display the property.
Expand All @@ -396,7 +399,7 @@ multiple `<CustomEntry>` tags. Each `<CustomEntry>` tag contains a
formatting of the specified location in the view, including `<Text>`,
`<Indentation>`, `<ExpressionBinding>`, and `<NewLine>` tags.

## DEFAULT DISPLAYS IN TYPES.PS1XML
## Default displays in Types.ps1xml

The default displays of some basic object types are defined in the
`Types.ps1xml` file in the `$PSHOME` directory. The nodes are named
Expand All @@ -417,15 +420,12 @@ value of the **Name** parameter:
- FormatFileLoading
- FormatViewBinding

For more information, see
[Trace-Command](xref:Microsoft.PowerShell.Utility.Trace-Command) and
[Get-TraceSource](xref:Microsoft.PowerShell.Utility.Get-TraceSource).
For more information, see [Trace-Command][05] and [Get-TraceSource][06].

## Signing a Format.ps1xml file

To protect the users of your `Format.ps1xml` file, sign the file using a
digital signature. For more information, see
[about_Signing](about_Signing.md).
digital signature. For more information, see [about_Signing][07].

## Sample XML for a Format-Table custom view

Expand All @@ -434,25 +434,38 @@ The following sample creates a `Format-Table` custom view for the
`Get-ChildItem`. The custom view is named **MyGciView** and adds the
**CreationTime** column to the table.

Use `Select-String` to identify which `Format.ps1xml` file contains data for
the type you're looking for.

The custom view is created from an edited version of the
`FileSystem.Format.ps1xml` file that's stored in `$PSHOME` on PowerShell 5.1.

After your custom `.ps1xml` file is saved, use `Update-FormatData` to include
the view in a PowerShell session. For this example, the custom view must use
the table format, otherwise, `Format-Table` fails.
After the custom `.ps1xml` file is saved, use the `Update-FormatData` cmdlet to
include the view in the current PowerShell session. Or, add the update command
to your PowerShell profile if you need the view available in all PowerShell
sessions.

For this example, the custom view must use the table format, otherwise,
`Format-Table` fails.

Use `Format-Table` with the **View** parameter to specify the custom view's
name and format the table's output. For an example of how the command is run,
see [Format-Table](xref:Microsoft.PowerShell.Utility.Format-Table).
name, **MyGciView**, and format the table's output with the **CreationTime**
column. For an example of how the command is run, see [Format-Table][08].

```powershell
$Parms = @{
Path = "$PSHOME\*Format.ps1xml"
Pattern = "System.IO.DirectoryInfo"
$selectParams = @{
Path = "$PSHOME\*format.ps1xml"
Pattern = 'System.IO.DirectoryInfo'
}
Select-String @Parms
Copy-Item $PSHOME\FileSystem.format.ps1xml .\MyFileSystem.Format.ps1xml
Update-FormatData -PrependPath $PSHOME\Format\MyFileSystem.Format.ps1xml
Select-String @selectParams

$copyParams = @{
LiteralPath = "$PSHOME\FileSystem.format.ps1xml"
Destination = "$HOME\Format\MyFileSystem.Format.ps1xml"
}
Copy-Item @copyParams

Update-FormatData -PrependPath $HOME\Format\MyFileSystem.Format.ps1xml
```

> [!NOTE]
Expand Down Expand Up @@ -582,9 +595,10 @@ Update-FormatData -PrependPath $PSHOME\Format\MyFileSystem.Format.ps1xml
[01]: xref:Microsoft.PowerShell.Utility.Get-FormatData
[02]: xref:Microsoft.PowerShell.Utility.Export-FormatData
[03]: xref:Microsoft.PowerShell.Utility.Update-FormatData

[04]: https://github.com/PowerShell/PowerShell/blob/master/src/Schemas/Format.xsd
[05]: xref:Microsoft.PowerShell.Utility.Trace-Command
[06]: xref:Microsoft.PowerShell.Utility.Get-TraceSource

[07]: about_Signing.md
[08]: xref:Microsoft.PowerShell.Utility.Format-Table
[09]: /powershell/scripting/developer/format/format-schema-xml-reference
[10]: /powershell/scripting/developer/format/writing-a-powershell-formatting-file
20 changes: 13 additions & 7 deletions reference/5.1/Microsoft.PowerShell.Utility/ConvertFrom-Csv.md
Original file line number Diff line number Diff line change
Expand Up @@ -2,14 +2,15 @@
external help file: Microsoft.PowerShell.Commands.Utility.dll-Help.xml
Locale: en-US
Module Name: Microsoft.PowerShell.Utility
ms.date: 11/18/2025
ms.date: 12/27/2025
online version: https://learn.microsoft.com/powershell/module/microsoft.powershell.utility/convertfrom-csv?view=powershell-5.1&WT.mc_id=ps-gethelp
schema: 2.0.0
title: ConvertFrom-Csv
---
# ConvertFrom-Csv

## SYNOPSIS

Converts object properties in character-separated value (CSV) format into CSV versions of the
original objects.

Expand Down Expand Up @@ -145,7 +146,7 @@ the **InputObject** parameter and converts the CSV strings from the `$Services`

When the **UseCulture** parameter is used, be sure that the current culture's default list
separator matches the delimiter used in the CSV strings. Otherwise, `ConvertFrom-Csv` can't
generate objects from the CSV strings.
can't parse each column into distinct properties.

### Example 5: Convert CSV data in W3C Extended Log Format

Expand Down Expand Up @@ -176,12 +177,17 @@ time cs-method cs-uri

### -Delimiter

Specifies the delimiter that separates the property values in the CSV strings. The default is a
comma (`,`). Enter a character, such as a colon (`:`). To specify a semicolon (`;`) enclose it in
single quotation marks.
Specifies the delimiter that separates the property values in the CSV data. The default is a comma
(`,`).

Enter a character, such as a colon (`:`). To specify a semicolon (`;`), enclose it in single
quotation marks. To specify escaped special characters such as tab (`` `t ``), enclose it in double
quotation marks.

If you specify a character other than the actual string delimiter in the file, `ConvertFrom-Csv`
can't create the objects from the CSV strings and returns the CSV strings.
If the specified character doesn't match the actual delimiter in the CSV data, `ConvertFrom-Csv`
can't parse each column into distinct properties. In this case, it outputs one **PSCustomObject**
per row, each containing a single property whose name is the full header and whose value is the row
text.

```yaml
Type: System.Char
Expand Down
8 changes: 6 additions & 2 deletions reference/5.1/Microsoft.PowerShell.Utility/ConvertTo-Csv.md
Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
external help file: Microsoft.PowerShell.Commands.Utility.dll-Help.xml
Locale: en-US
Module Name: Microsoft.PowerShell.Utility
ms.date: 03/14/2023
ms.date: 12/27/2025
online version: https://learn.microsoft.com/powershell/module/microsoft.powershell.utility/convertto-csv?view=powershell-5.1&WT.mc_id=ps-gethelp
schema: 2.0.0
title: ConvertTo-Csv
Expand All @@ -11,6 +11,7 @@ title: ConvertTo-Csv
# ConvertTo-Csv

## SYNOPSIS

Converts .NET objects into a series of character-separated value (CSV) strings.

## SYNTAX
Expand Down Expand Up @@ -109,7 +110,10 @@ information header from the CSV output.
### -Delimiter

Specifies the delimiter to separate the property values in CSV strings. The default is a comma
(`,`). Enter a character, such as a colon (`:`). To specify a semicolon (`;`) enclose it in single
(`,`).

Enter a character, such as a colon (`:`). To specify a semicolon (`;`), enclose it in single
quotation marks. To specify escaped special characters such as tab (`` `t ``), enclose it in double
quotation marks.

```yaml
Expand Down
44 changes: 28 additions & 16 deletions reference/5.1/Microsoft.PowerShell.Utility/Export-Csv.md
Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
external help file: Microsoft.PowerShell.Commands.Utility.dll-Help.xml
Locale: en-US
Module Name: Microsoft.PowerShell.Utility
ms.date: 03/14/2023
ms.date: 12/27/2025
online version: https://learn.microsoft.com/powershell/module/microsoft.powershell.utility/export-csv?view=powershell-5.1&WT.mc_id=ps-gethelp
schema: 2.0.0
aliases:
Expand All @@ -13,6 +13,7 @@ title: Export-Csv
# Export-Csv

## SYNOPSIS

Converts objects into a series of character-separated value (CSV) strings and saves the strings to a
file.

Expand Down Expand Up @@ -142,11 +143,12 @@ Get-Content -Path .\Processes.csv
The `Get-Culture` cmdlet uses the nested properties **TextInfo** and **ListSeparator** and displays
the current culture's default list separator. The `Get-Process` cmdlet gets **Process** objects. The
process objects are sent down the pipeline to the `Export-Csv` cmdlet. `Export-Csv` converts the
process objects to a series of CSV strings. The **Path** parameter specifies that the `Processes.csv`
file is saved in the current directory. The **UseCulture** parameter uses the current culture's
default list separator as the delimiter. The **NoTypeInformation** parameter removes the **#TYPE**
information header from the CSV output and is not required in PowerShell 6. The `Get-Content` cmdlet
uses the **Path** parameter to display the file located in the current directory.
process objects to a series of CSV strings. The **Path** parameter specifies that the
`Processes.csv` file is saved in the current directory. The **UseCulture** parameter uses the
current culture's default list separator as the delimiter. The **NoTypeInformation** parameter
removes the **#TYPE** information header from the CSV output and is not required in PowerShell 6.
The `Get-Content` cmdlet uses the **Path** parameter to display the file located in the current
directory.

### Example 5: Export processes with type information

Expand Down Expand Up @@ -176,10 +178,15 @@ This example describes how to export objects to a CSV file and use the **Append*
objects to an existing file.

```powershell
$AppService = (Get-Service -DisplayName *Application* | Select-Object -Property DisplayName, Status)
$AppService = Get-Service -DisplayName *Application* |
Select-Object -Property DisplayName, Status

$AppService | Export-Csv -Path .\Services.Csv -NoTypeInformation
Get-Content -Path .\Services.Csv
$WinService = (Get-Service -DisplayName *Windows* | Select-Object -Property DisplayName, Status)

$WinService = Get-Service -DisplayName *Windows* |
Select-Object -Property DisplayName, Status

$WinService | Export-Csv -Path .\Services.csv -NoTypeInformation -Append
Get-Content -Path .\Services.Csv
```
Expand Down Expand Up @@ -218,7 +225,8 @@ unexpected output is received, troubleshoot the pipeline syntax.

```powershell
Get-Date | Select-Object -Property DateTime, Day, DayOfWeek, DayOfYear |
Export-Csv -Path .\DateTime.csv -NoTypeInformation
Export-Csv -Path .\DateTime.csv -NoTypeInformation

Get-Content -Path .\DateTime.csv
```

Expand All @@ -229,7 +237,8 @@ Get-Content -Path .\DateTime.csv

```powershell
Get-Date | Format-Table -Property DateTime, Day, DayOfWeek, DayOfYear |
Export-Csv -Path .\FTDateTime.csv -NoTypeInformation
Export-Csv -Path .\FTDateTime.csv -NoTypeInformation

Get-Content -Path .\FTDateTime.csv
```

Expand All @@ -245,10 +254,10 @@ Get-Content -Path .\FTDateTime.csv
The `Get-Date` cmdlet gets the **DateTime** object. The object is sent down the pipeline to the
`Select-Object` cmdlet. `Select-Object` uses the **Property** parameter to select a subset of object
properties. The object is sent down the pipeline to the `Export-Csv` cmdlet. `Export-Csv` converts
the object to a CSV format. The **Path** parameter specifies that the `DateTime.csv` file is saved in
the current directory. The **NoTypeInformation** parameter removes the **#TYPE** information header
from the CSV output and is not required in PowerShell 6. The `Get-Content` cmdlet uses the **Path**
parameter to display the CSV file located in the current directory.
the object to a CSV format. The **Path** parameter specifies that the `DateTime.csv` file is saved
in the current directory. The **NoTypeInformation** parameter removes the **#TYPE** information
header from the CSV output and is not required in PowerShell 6. The `Get-Content` cmdlet uses the
**Path** parameter to display the CSV file located in the current directory.

When the `Format-Table` cmdlet is used within the pipeline to select properties unexpected results
are received. `Format-Table` sends table format objects down the pipeline to the `Export-Csv` cmdlet
Expand Down Expand Up @@ -372,8 +381,11 @@ Accept wildcard characters: False

### -Delimiter

Specifies a delimiter to separate the property values. The default is a comma (`,`). Enter a
character, such as a colon (`:`). To specify a semicolon (`;`), enclose it in quotation marks.
Specifies a delimiter to separate the property values. The default is a comma (`,`).

Enter a character, such as a colon (`:`). To specify a semicolon (`;`), enclose it in single
quotation marks. To specify escaped special characters such as tab (`` `t ``), enclose it in double
quotation marks.

```yaml
Type: System.Char
Expand Down
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