diff --git a/playbook/shopfloor-setup/Shopfloor/08-EdgeDefaultBrowser.ps1 b/playbook/shopfloor-setup/Shopfloor/08-EdgeDefaultBrowser.ps1
index 8cf39a3..e920c6d 100644
--- a/playbook/shopfloor-setup/Shopfloor/08-EdgeDefaultBrowser.ps1
+++ b/playbook/shopfloor-setup/Shopfloor/08-EdgeDefaultBrowser.ps1
@@ -196,11 +196,17 @@ function Resolve-StartupUrl {
     return $null
 }
 
-# Tab order as requested: Plant Apps, Shop Floor Homepage, Shopfloor Dashboard
+# Resolve startup tabs: profile > site-wide > hardcoded fallback
+# Different PC types can have different tabs (e.g. Lab has Webmail
+# instead of Plant Apps, Standard-Machine has Plant Apps).
+$cfgTabs = if ($pcProfile -and $pcProfile.edgeStartupTabs) { $pcProfile.edgeStartupTabs }
+           elseif ($siteConfig -and $siteConfig.edgeStartupTabs) { $siteConfig.edgeStartupTabs }
+           else { $null }
+
 $startupTabs = @()
 
-if ($siteConfig -and $siteConfig.edgeStartupTabs) {
-    foreach ($tab in $siteConfig.edgeStartupTabs) {
+if ($cfgTabs) {
+    foreach ($tab in $cfgTabs) {
         $fallback = if ($tab.fallbackUrlKey -and $siteConfig.urls) { $siteConfig.urls.$($tab.fallbackUrlKey) } else { '' }
         $url = Resolve-StartupUrl -BaseName $tab.baseName -Fallback $fallback
         if ($url) { $startupTabs += $url }
@@ -216,6 +222,10 @@ if ($siteConfig -and $siteConfig.edgeStartupTabs) {
     if ($dashboard) { $startupTabs += $dashboard }
 }
 
+# Resolve homepage: profile can override (e.g. Lab has a different homepage
+# than Standard). Falls back to the first startup tab if not specified.
+$edgeHomepage = if ($pcProfile -and $pcProfile.edgeHomepage) { $pcProfile.edgeHomepage } else { $null }
+
 if ($startupTabs.Count -eq 0) {
     Write-Warning "No startup tab URLs resolved - skipping Edge startup config."
 } else {
@@ -241,8 +251,10 @@ if ($startupTabs.Count -eq 0) {
         Set-ItemProperty -Path $urlsKey -Name $name -Value $startupTabs[$i] -Type String -Force
     }
 
-    # Homepage = the first startup tab. Home button opens it, not NTP.
-    Set-ItemProperty -Path $edgePolKey -Name 'HomepageLocation'     -Value $startupTabs[0] -Type String -Force
+    # Homepage: profile override > first startup tab. Home button opens it, not NTP.
+    $homepageUrl = if ($edgeHomepage) { $edgeHomepage } else { $startupTabs[0] }
+    Write-Host "Homepage set to: $homepageUrl"
+    Set-ItemProperty -Path $edgePolKey -Name 'HomepageLocation'     -Value $homepageUrl -Type String -Force
     Set-ItemProperty -Path $edgePolKey -Name 'HomepageIsNewTabPage' -Value 0 -Type DWord -Force
     Set-ItemProperty -Path $edgePolKey -Name 'ShowHomeButton'       -Value 1 -Type DWord -Force
 
diff --git a/playbook/shopfloor-setup/site-config.json b/playbook/shopfloor-setup/site-config.json
index 14a969e..1bdfe06 100644
--- a/playbook/shopfloor-setup/site-config.json
+++ b/playbook/shopfloor-setup/site-config.json
@@ -9,7 +9,8 @@
   "urls": {
     "plantApps": "https://mes-wjefferson.apps.lr.geaerospace.net/run/?app_name=Plant%20Applications",
     "shopFloorHomepage": "http://tsgwp00524.logon.ds.ge.com/",
-    "shopfloorDashboard": "https://tsgwp00525.wjs.geaerospace.net/shopdb/shopfloor-dashboard/"
+    "shopfloorDashboard": "https://tsgwp00525.wjs.geaerospace.net/shopdb/shopfloor-dashboard/",
+    "webmail": "https://outlook.office365.us/mail"
   },
 
   "edgeStartupTabs": [
@@ -147,12 +148,18 @@
     },
 
     "Lab": {
-      "_comment": "No applications, minimal startup",
+      "_comment": "Lab Workstation - Office from ppkg, web URLs, custom Edge homepage + tabs",
       "startupItems": [],
       "taskbarPins": [
         { "name": "Microsoft Edge",  "lnkPath": "%ALLUSERSPROFILE%\\Microsoft\\Windows\\Start Menu\\Programs\\Microsoft Edge.lnk" }
       ],
-      "desktopApps": []
+      "desktopApps": [],
+      "edgeHomepage": "http://tsgwp00524.logon.ds.ge.com/",
+      "edgeStartupTabs": [
+        { "baseName": "WJ Shop Floor Homepage", "fallbackUrlKey": "shopFloorHomepage" },
+        { "baseName": "M365 Webmail",           "fallbackUrlKey": "webmail" },
+        { "baseName": "Shopfloor Dashboard",    "fallbackUrlKey": "shopfloorDashboard" }
+      ]
     },
 
     "Display-Lobby": {