(AB-538641) Clarify Expand-Archive only applies to zip files (#12916)

Author: michaeltlombardi

reference/5.1/Microsoft.PowerShell.Archive/Expand-Archive.md

@@ -2,7 +2,7 @@
 external help file: Microsoft.PowerShell.Archive-help.xml
 Locale: en-US
 Module Name: Microsoft.PowerShell.Archive
-ms.date: 10/06/2023
+ms.date: 04/01/2026
 online version: https://learn.microsoft.com/powershell/module/microsoft.powershell.archive/expand-archive?view=powershell-5.1&WT.mc_id=ps-gethelp
 schema: 2.0.0
 title: Expand-Archive
@@ -11,7 +11,7 @@ title: Expand-Archive
 # Expand-Archive
 
 ## SYNOPSIS
-Extracts files from a specified archive (zipped) file.
+Extracts files from a specified ZIP archive file.
 
 ## SYNTAX
 
@@ -35,6 +35,13 @@ The `Expand-Archive` cmdlet extracts files from a specified zipped archive file
 destination folder. An archive file allows multiple files to be packaged, and optionally compressed,
 into a single zipped file for easier distribution and storage.
 
+This cmdlet only works with zip archives, which typically have the file extension `.zip`.
+
+The `Expand-Archive` cmdlet uses the **System.IO.Compression.ZipArchive** API to compress files.
+The API limits the maximum file size to 2GB. The .NET API works with files that conform to the
+official ZIP file format specification by PKWARE Inc. For more information, see
+[System.IO.Compression.ZipArchive](xref:System.IO.Compression.ZipArchive).
+
 ## EXAMPLES
 
 ### Example 1: Extract the contents of an archive

reference/7.4/Microsoft.PowerShell.Archive/Expand-Archive.md

@@ -2,7 +2,7 @@
 external help file: Microsoft.PowerShell.Archive-help.xml
 Locale: en-US
 Module Name: Microsoft.PowerShell.Archive
-ms.date: 09/03/2024
+ms.date: 04/01/2026
 online version: https://learn.microsoft.com/powershell/module/microsoft.powershell.archive/expand-archive?view=powershell-7.4&WT.mc_id=ps-gethelp
 schema: 2.0.0
 title: Expand-Archive
@@ -35,6 +35,8 @@ The `Expand-Archive` cmdlet extracts files from a specified zipped archive file
 destination folder. An archive file allows multiple files to be packaged, and optionally compressed,
 into a single zipped file for easier distribution and storage.
 
+This cmdlet only works with zip archives, which typically have the file extension `.zip`.
+
 The `Expand-Archive` cmdlet uses the **System.IO.Compression.ZipArchive** API to compress files.
 The API limits the maximum file size to 2GB. The .NET API works with files that conform to the
 official ZIP file format specification by PKWARE Inc. For more information, see

reference/7.5/Microsoft.PowerShell.Archive/Expand-Archive.md

@@ -2,7 +2,7 @@
 external help file: Microsoft.PowerShell.Archive-help.xml
 Locale: en-US
 Module Name: Microsoft.PowerShell.Archive
-ms.date: 10/06/2023
+ms.date: 04/01/2026
 online version: https://learn.microsoft.com/powershell/module/microsoft.powershell.archive/expand-archive?view=powershell-7.5&WT.mc_id=ps-gethelp
 schema: 2.0.0
 title: Expand-Archive
@@ -11,7 +11,7 @@ title: Expand-Archive
 # Expand-Archive
 
 ## SYNOPSIS
-Extracts files from a specified archive (zipped) file.
+Extracts files from a specified ZIP archive file.
 
 ## SYNTAX
 
@@ -35,6 +35,13 @@ The `Expand-Archive` cmdlet extracts files from a specified zipped archive file
 destination folder. An archive file allows multiple files to be packaged, and optionally compressed,
 into a single zipped file for easier distribution and storage.
 
+This cmdlet only works with zip archives, which typically have the file extension `.zip`.
+
+The `Expand-Archive` cmdlet uses the **System.IO.Compression.ZipArchive** API to compress files.
+The API limits the maximum file size to 2GB. The .NET API works with files that conform to the
+official ZIP file format specification by PKWARE Inc. For more information, see
+[System.IO.Compression.ZipArchive](xref:System.IO.Compression.ZipArchive).
+
 ## EXAMPLES
 
 ### Example 1: Extract the contents of an archive

reference/7.6/Microsoft.PowerShell.Archive/Expand-Archive.md

@@ -2,7 +2,7 @@
 external help file: Microsoft.PowerShell.Archive-help.xml
 Locale: en-US
 Module Name: Microsoft.PowerShell.Archive
-ms.date: 10/06/2023
+ms.date: 04/01/2026
 online version: https://learn.microsoft.com/powershell/module/microsoft.powershell.archive/expand-archive?view=powershell-7.6&WT.mc_id=ps-gethelp
 schema: 2.0.0
 title: Expand-Archive
@@ -35,6 +35,13 @@ The `Expand-Archive` cmdlet extracts files from a specified zipped archive file
 destination folder. An archive file allows multiple files to be packaged, and optionally compressed,
 into a single zipped file for easier distribution and storage.
 
+This cmdlet only works with zip archives, which typically have the file extension `.zip`.
+
+The `Expand-Archive` cmdlet uses the **System.IO.Compression.ZipArchive** API to compress files.
+The API limits the maximum file size to 2GB. The .NET API works with files that conform to the
+official ZIP file format specification by PKWARE Inc. For more information, see
+[System.IO.Compression.ZipArchive](xref:System.IO.Compression.ZipArchive).
+
 ## EXAMPLES
 
 ### Example 1: Extract the contents of an archive