diff --git a/Public/ConvertFrom-CSExtension.ps1 b/Public/ConvertFrom-CSExtension.ps1
new file mode 100644
index 0000000..60f0aea
--- /dev/null
+++ b/Public/ConvertFrom-CSExtension.ps1
@@ -0,0 +1,78 @@
+function ConvertFrom-CSExtension {
+    [cmdletBinding()]
+    param(
+        [string] $CSE
+    )
+    $GUIDs = @{
+        # https://docs.microsoft.com/en-us/openspecs/windows_protocols/ms-gpreg/f0dba6b8-704f-45d5-999f-1a0a694a6df9
+        '{35378EAC-683F-11D2-A89A-00C04FBBCFA2}' = 'Client-side extension GUID (CSE GUID)'
+        '{0F6B957E-509E-11D1-A7CC-0000F87571E3}' = 'Tool Extension GUID (User Policy Settings)'
+        '{D02B1F73-3407-48AE-BA88-E8213C6761F1}' = 'Tool Extension GUID (User Policy Settings)'
+        '{0F6B957D-509E-11D1-A7CC-0000F87571E3}' = 'Tool Extension GUID (Computer Policy Settings)'
+        '{D02B1F72-3407-48AE-BA88-E8213C6761F1}' = 'Tool Extension GUID (Computer Policy Settings)'
+        '{0ACDD40C-75AC-47ab-BAA0-BF6DE7E7FE63}' = 'Wireless Group Policy'
+        '{0E28E245-9368-4853-AD84-6DA3BA35BB75}' = 'Group Policy Environment'
+        '{16be69fa-4209-4250-88cb-716cf41954e0}' = 'Central Access Policy Configuration'
+        '{17D89FEC-5C44-4972-B12D-241CAEF74509}' = 'Group Policy Local Users and Groups'
+        '{1A6364EB-776B-4120-ADE1-B63A406A76B5}' = 'Group Policy Device Settings'
+        '{25537BA6-77A8-11D2-9B6C-0000F8080861}' = 'Folder Redirection'
+        '{2A8FDC61-2347-4C87-92F6-B05EB91A201A}' = 'MitigationOptions'
+        '{346193F5-F2FD-4DBD-860C-B88843475FD3}' = 'ConfigMgr User State Management Extension.'
+        '{3610eda5-77ef-11d2-8dc5-00c04fa31a66}' = 'Microsoft Disk Quota'
+        '{3A0DBA37-F8B2-4356-83DE-3E90BD5C261F}' = 'Group Policy Network Options'
+        '{426031c0-0b47-4852-b0ca-ac3d37bfcb39}' = 'QoS Packet Scheduler'
+        '{42B5FAAE-6536-11d2-AE5A-0000F87571E3}' = 'Scripts'
+        '{4bcd6cde-777b-48b6-9804-43568e23545d}' = 'Remote Desktop USB Redirection'
+        '{4CFB60C1-FAA6-47f1-89AA-0B18730C9FD3}' = 'Internet Explorer Zonemapping'
+        '{4D2F9B6F-1E52-4711-A382-6A8B1A003DE6}' = 'RADCProcessGroupPolicyEx'
+        '{4d968b55-cac2-4ff5-983f-0a54603781a3}' = 'Work Folders'
+        '{5794DAFD-BE60-433f-88A2-1A31939AC01F}' = 'Group Policy Drive Maps'
+        '{6232C319-91AC-4931-9385-E70C2B099F0E}' = 'Group Policy Folders'
+        '{6A4C88C6-C502-4f74-8F60-2CB23EDC24E2}' = 'Group Policy Network Shares'
+        '{7150F9BF-48AD-4da4-A49C-29EF4A8369BA}' = 'Group Policy Files'
+        '{728EE579-943C-4519-9EF7-AB56765798ED}' = 'Group Policy Data Sources'
+        '{74EE6C03-5363-4554-B161-627540339CAB}' = 'Group Policy Ini Files'
+        '{7933F41E-56F8-41d6-A31C-4148A711EE93}' = 'Windows Search Group Policy Extension'
+        '{7B849a69-220F-451E-B3FE-2CB811AF94AE}' = 'Internet Explorer User Accelerators'
+        '{827D319E-6EAC-11D2-A4EA-00C04F79F83A}' = 'Security'
+        '{8A28E2C5-8D06-49A4-A08C-632DAA493E17}' = 'Deployed Printer Connections'
+        '{91FBB303-0CD5-4055-BF42-E512A681B325}' = 'Group Policy Services'
+        '{A3F3E39B-5D83-4940-B954-28315B82F0A8}' = 'Group Policy Folder Options'
+        '{AADCED64-746C-4633-A97C-D61349046527}' = 'Group Policy Scheduled Tasks'
+        '{B087BE9D-ED37-454f-AF9C-04291E351182}' = 'Group Policy Registry'
+        '{B587E2B1-4D59-4e7e-AED9-22B9DF11D053}' = '802.3 Group Policy'
+        '{BA649533-0AAC-4E04-B9BC-4DBAE0325B12}' = 'Windows To Go Startup Options'
+        '{BC75B1ED-5833-4858-9BB8-CBF0B166DF9D}' = 'Group Policy Printers'
+        '{C34B2751-1CF4-44F5-9262-C3FC39666591}' = 'Windows To Go Hibernate Options'
+        '{C418DD9D-0D14-4efb-8FBF-CFE535C8FAC7}' = 'Group Policy Shortcuts'
+        '{C631DF4C-088F-4156-B058-4375F0853CD8}' = 'Microsoft Offline Files'
+        '{c6dc5466-785a-11d2-84d0-00c04fb169f7}' = 'Software Installation'
+        '{cdeafc3d-948d-49dd-ab12-e578ba4af7aa}' = 'TCPIP'
+        '{CF7639F3-ABA2-41DB-97F2-81E2C5DBFC5D}' = 'Internet Explorer Machine Accelerators'
+        '{e437bc1c-aa7d-11d2-a382-00c04f991e27}' = 'IP Security'
+        '{E47248BA-94CC-49c4-BBB5-9EB7F05183D0}' = 'Group Policy Internet Settings'
+        '{E4F48E54-F38D-4884-BFB9-D4D2E5729C18}' = 'Group Policy Start Menu Settings'
+        '{E5094040-C46C-4115-B030-04FB2E545B00}' = 'Group Policy Regional Options'
+        '{E62688F0-25FD-4c90-BFF5-F508B9D2E31F}' = 'Group Policy Power Options'
+        '{F312195E-3D9D-447A-A3F5-08DFFA24735E}' = 'ProcessVirtualizationBasedSecurityGroupPolicy'
+        '{f3ccc681-b74c-4060-9f26-cd84525dca2a}' = 'Audit Policy Configuration'
+        '{F9C77450-3A41-477E-9310-9ACD617BD9E3}' = 'Group Policy Applications'
+        '{FB2CA36D-0B40-4307-821B-A13B252DE56C}' = 'Enterprise QoS'
+        '{fbf687e6-f063-4d9f-9f4f-fd9a26acdd5f}' = 'CP'
+        '{FC491EF1-C4AA-4CE1-B329-414B101DB823}' = 'ProcessConfigCIPolicyGroupPolicy'
+        '{169EBF44-942F-4C43-87CE-13C93996EBBE}' = 'UEV Policy'
+        '{2BFCC077-22D2-48DE-BDE1-2F618D9B476D}' = 'AppV Policy'
+        '{4B7C3B0F-E993-4E06-A241-3FBE06943684}' = 'Per-process Mitigation Options'
+        '{7909AD9E-09EE-4247-BAB9-7029D5F0A278}' = 'MDM Policy'
+        '{CFF649BD-601D-4361-AD3D-0FC365DB4DB7}' = 'Delivery Optimization GP extension'
+        '{D76B9641-3288-4f75-942D-087DE603E3EA}' = 'AdmPwd'
+        '{9650FDBC-053A-4715-AD14-FC2DC65E8330}' = 'Unknown'
+        '{B1BE8D72-6EAC-11D2-A4EA-00C04F79F83A}' = 'EFS Recovery'
+        '{A2E30F80-D7DE-11d2-BBDE-00C04F86AE3B}' = 'Internet Explorer Settings'
+    }
+    if ($GUIDs[$CSE]) {
+        return $GUIDs[$CSE]
+    } else {
+        return $CSE
+    }
+}
\ No newline at end of file
diff --git a/Public/Find-CSExtension.ps1 b/Public/Find-CSExtension.ps1
new file mode 100644
index 0000000..bf966d1
--- /dev/null
+++ b/Public/Find-CSExtension.ps1
@@ -0,0 +1,16 @@
+function Find-CSExtension {
+    [cmdletBinding()]
+    param(
+        [string] $CSE
+    )
+
+    #List Group Policy Client Side Extensions, CSEs, from Windows 10
+    $Keys = Get-PSRegistry -RegistryPath "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\GPExtensions" -ComputerName AD3
+    foreach ($Key in $Keys.PSSubKeys) {
+        $Value = (Get-PSRegistry -RegistryPath "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\GPExtensions\$Key" -ComputerName AD3).DefaultKey
+
+        if (-not $GUIDs[$Key]) {
+            "$Key $Value"
+        }
+    }
+}
\ No newline at end of file