diff --git a/configs.ps1 b/configs.ps1
index e717e5e..a9a7791 100644
--- a/configs.ps1
+++ b/configs.ps1
@@ -27,6 +27,9 @@ $CalandarFolders = @("Agenda", "Calendar", "Calendrier", "Kalender")
 # Alias of account to be skipped (an alias, is the email prefix ahead of the @domain.com)
 $IgnoreAlias = @("raoul.nihart", "brecht.marsoul")
 
+# Name of account to be skipped when permission for it's is set into user's calandar (a full name ex: Jeremi Nihart)
+$IgnoreUsers = @("Anonymous")
+
 # Email of the Administration account to use
 $AdminAccount = "admin@luminussolutions.be"
 
diff --git a/run-script.ps1 b/run-script.ps1
index d8037d7..4e3dd17 100644
--- a/run-script.ps1
+++ b/run-script.ps1
@@ -12,7 +12,7 @@
 
 # Setup script
 $Root = (Split-Path $MyInvocation.MyCommand.Path -Parent)
-$time = (Get-Date -Format "MM-dd-yyyy-HH-mm-ss")
+$Time = (Get-Date -Format "MM-dd-yyyy-HH-mm-ss")
 . $Root\configs.ps1
 . $Root\utils\functions.ps1
 Import-Module ExchangeOnlineManagement
@@ -22,13 +22,18 @@ Add-Type -AssemblyName PresentationFramework
 Start-Transcript -Path $Root\$LogFile -Append
 
 # Statistics variables
-$CountOK = 0
-$CountUpdated = 0
-$CountError = 0
+$CountUsers = 0
+$CountUpdates = 0
+$CountErrors = 0
 
 # Initiate exchange connection
 Connect-ExchangeOnline -UserPrincipalName $AdminAccount -ShowProgress $true
 
+# Do you want to preview current permissions ?
+if ((DialogAsk "$ScriptName" "Do you want to preview all calandar permissions ?") -eq $true) {
+    DisplayAll $CalandarFolders
+}
+
 # Do you realy want to change permissions ?
 if ((DialogAsk "$ScriptName" "Do you want to continue and change the permission of the calendars according to your current configuration?") -eq $false) {
     Stop-Transcript
@@ -36,43 +41,51 @@ if ((DialogAsk "$ScriptName" "Do you want to continue and change the permission
 }
 
 # Retrieving users mailbox
-$Users = Get-Mailbox -ResultSize Unlimited -RecipientTypeDetails UserMailbox | Where-Object {$_.Alias -notin $IgnoreAlias}
-Write-Host ("[$ScriptName] We found " + $Users.count + " users`n") -BackgroundColor White -ForegroundColor Black
+$Users = Get-EXOMailbox -ResultSize Unlimited -RecipientTypeDetails UserMailbox | Where-Object {$_.Alias -notin $IgnoreAlias}
+$CountUsers = $Users.count
+Write-Host ("[$ScriptName] We found $CountUsers users") -BackgroundColor White -ForegroundColor Black
 
 # Processing users mailbox list
+# Info: all these loops are here because we want to follow up as we
+# process the data (too much symplification is not always a good thing).
 foreach ($User in $Users) {
-    Write-Host $user.Name -BackgroundColor DarkBlue
+    Write-Host $User.Name -BackgroundColor DarkBlue
     try {
-        $Calandars = Get-MailboxFolderStatistics $User.Identity -FolderScope Calendar | Where-Object {$_.Name -in $CalandarFolders}
+        $Calandars = Get-EXOMailboxFolderStatistics $User.Identity -FolderScope Calendar | Where-Object {$_.Name -in $CalandarFolders}
+        
         # Process user calandars
         foreach ($Calandar in $Calandars) {
+            Write-Host $Calandar.Name.ToString() -BackgroundColor DarkMagenta
             $CurrCalId = $User.Identity.ToString() + ":\" + $Calandar.Name.ToString()
-            $CurrCalPerm = Get-MailboxFolderPermission -Identity $CurrCalId -User Default
+            $CurrCalPerms = Get-MailboxFolderPermission -Identity $CurrCalId | Where-Object {$_.Name -notin $IgnoreUsers -and $_.AccessRights -in $PermissionsTrigger}
+            $CountLocalUpdates = 0
 
-            # Check and update permission
-            if ($PermissionsTrigger -Contains $CurrCalPerm.AccessRights) {
-                Write-Host " [X]  " -NoNewline
-                Write-Host ("Updated : The permission has been updated from (" + $CurrCalPerm.AccessRights + ") to (" + $Permission + ").") -ForegroundColor Green
-                $CountOK++
+            # Nothing to change ?
+            if ($CurrCalPerms.count -eq 0) {
+                Write-Host (" OK --> The permissions are in accordance with the current configuration.") -ForegroundColor Yellow
+            }
+
+            # Process caladar permissions
+            foreach ($CurrCalPerm in $CurrCalPerms) {
+                Write-Host (" UPDATE --> Permission for " + $CurrCalPerm.User.ToString() + " has been switch from " + $CurrCalPerm.AccessRights + " to " + $Permission + ".") -ForegroundColor Green
                 # Update permission (for debugging: -WhatIf)
-                Set-MailboxFolderPermission -Identity $CurrCalId -User Default -AccessRights $Permission
-            } else {
-                Write-Host " [X]  " -NoNewline
-                Write-Host ("Ignored : The permission (" + $CurrCalPerm.AccessRights + ") of this user did not launch the trigger.") -ForegroundColor Yellow
-                $CountUpdated++
+                Set-MailboxFolderPermission -Identity $CurrCalId -User $CurrCalPerm.User.ToString() -AccessRights $Permission -WhatIf
+                $CountLocalUpdates++
             }
         }
+        Write-Host ("($CountLocalUpdates permissions updated for $CurrCalId)") -BackgroundColor White -ForegroundColor Black
+        $CountUpdates += $CountLocalUpdates
     }
     catch {
         Write-Host "[ERROR] An unexpected error occured." -ForegroundColor DarkRed
         Write-Host "--> $_" -ForegroundColor DarkRed
-        $CountError++
+        $CountErrors++
     }
     Write-Host
 }
 
 # Showing resultats
-DialogSay "$ScriptName" "The update was performed successfuly.`n`n$CountOK account(s) was already correctly configured.`n$CountUpdated account(s) were updated.`n$CountError error(s) occurred."
+DialogSay "$ScriptName" "The update was performed successfuly.`n`n$CountUpdates has been updated on $CountUsers`n$CountErrors errors occured."
 
 # Stop logging
 Stop-Transcript
\ No newline at end of file
diff --git a/utils/dev-note.txt b/utils/dev-note.txt
index f573b46..27e9136 100644
--- a/utils/dev-note.txt
+++ b/utils/dev-note.txt
@@ -1,4 +1,6 @@
 Get-ExecutionPolicy
 
 Set-ExecutionPolicy Unrestricted
-Set-ExecutionPolicy Restricted
\ No newline at end of file
+Set-ExecutionPolicy Restricted
+
+un objet | Get-Member -MemberType Property
\ No newline at end of file
diff --git a/utils/functions.ps1 b/utils/functions.ps1
index d2f93db..b82207a 100644
--- a/utils/functions.ps1
+++ b/utils/functions.ps1
@@ -27,4 +27,27 @@ Function DialogSay {
         [string]$Message
     )
     [System.Windows.MessageBox]::Show($Message, $Title, 'OK', 'Information')
+}
+
+# Show current permissions for all calandars and users
+Function DisplayAll {
+    param (
+        [string[]]$CalandarFolders
+    )
+    $Users = Get-EXOMailbox -ResultSize Unlimited -RecipientTypeDetails UserMailbox
+    Write-Host ("[$ScriptName] We found " + $Users.count + " users") -BackgroundColor White -ForegroundColor Black
+    foreach ($User in $Users) {
+        Write-Host $User.Name -BackgroundColor DarkGreen
+        $Calandars = Get-EXOMailboxFolderStatistics $User.Identity -FolderScope Calendar | Where-Object {$_.Name -in $CalandarFolders}
+        foreach ($Calandar in $Calandars) {
+            Write-Host $Calandar.Name.ToString() -BackgroundColor DarkMagenta
+            $CurrCalId = $User.Identity.ToString() + ":\" + $Calandar.Name.ToString()
+            $CurrCalPerms = Get-MailboxFolderPermission -Identity $CurrCalId
+
+            foreach ($CurrCalPerm in $CurrCalPerms) {
+                Write-Host ($CurrCalPerm.User.ToString() +" : " + $CurrCalPerm.AccessRights)
+            }
+        }
+        Write-Host
+    }
 }
\ No newline at end of file