diff --git a/app/src/main/java/com/infomaniak/mail/data/cache/RealmDatabase.kt b/app/src/main/java/com/infomaniak/mail/data/cache/RealmDatabase.kt
index 64af52d444..c44f727c9a 100644
--- a/app/src/main/java/com/infomaniak/mail/data/cache/RealmDatabase.kt
+++ b/app/src/main/java/com/infomaniak/mail/data/cache/RealmDatabase.kt
@@ -162,7 +162,7 @@ object RealmDatabase {
         //region Configurations versions
         const val USER_INFO_SCHEMA_VERSION = 1L
         const val MAILBOX_INFO_SCHEMA_VERSION = 5L
-        const val MAILBOX_CONTENT_SCHEMA_VERSION = 12L
+        const val MAILBOX_CONTENT_SCHEMA_VERSION = 13L
         //endregion
 
         //region Configurations names
diff --git a/app/src/main/java/com/infomaniak/mail/data/models/calendar/CalendarEvent.kt b/app/src/main/java/com/infomaniak/mail/data/models/calendar/CalendarEvent.kt
index cdd8f22107..47592d4305 100644
--- a/app/src/main/java/com/infomaniak/mail/data/models/calendar/CalendarEvent.kt
+++ b/app/src/main/java/com/infomaniak/mail/data/models/calendar/CalendarEvent.kt
@@ -19,6 +19,7 @@
 
 package com.infomaniak.mail.data.models.calendar
 
+import com.infomaniak.lib.core.utils.Utils
 import com.infomaniak.mail.data.api.CalendarRealmInstantSerializer
 import com.infomaniak.mail.utils.extensions.toRealmInstant
 import io.realm.kotlin.ext.realmListOf
@@ -46,8 +47,12 @@ class CalendarEvent() : EmbeddedRealmObject {
     var start: RealmInstant = Date(0).toRealmInstant()
     var end: RealmInstant = Date(0).toRealmInstant()
     var attendees: RealmList<Attendee> = realmListOf()
+    @SerialName("status")
+    private var _status: String? = null
     //endregion
 
+    val status: CalendarEventStatus? get() = Utils.enumValueOfOrNull<CalendarEventStatus>(_status)
+
     constructor(
         id: Int,
         type: String,
@@ -76,6 +81,7 @@ class CalendarEvent() : EmbeddedRealmObject {
         if (location != other.location) return false
         if (isFullDay != other.isFullDay) return false
         if (start != other.start) return false
+        if (_status != other._status) return false
 
         return end == other.end
     }
@@ -97,7 +103,14 @@ class CalendarEvent() : EmbeddedRealmObject {
         result = 31 * result + start.hashCode()
         result = 31 * result + end.hashCode()
         result = 31 * result + attendees.hashCode()
+        result = 31 * result + _status.hashCode()
 
         return result
     }
+
+    enum class CalendarEventStatus(val apiValue: String) {
+        CONFIRMED("CONFIRMED"),
+        TENTATIVE("TENTATIVE"),
+        CANCELLED("CANCELLED"),
+    }
 }
diff --git a/app/src/main/java/com/infomaniak/mail/data/models/calendar/CalendarEventResponse.kt b/app/src/main/java/com/infomaniak/mail/data/models/calendar/CalendarEventResponse.kt
index 80271c3a57..dbbe5337d0 100644
--- a/app/src/main/java/com/infomaniak/mail/data/models/calendar/CalendarEventResponse.kt
+++ b/app/src/main/java/com/infomaniak/mail/data/models/calendar/CalendarEventResponse.kt
@@ -18,6 +18,7 @@
 package com.infomaniak.mail.data.models.calendar
 
 import com.infomaniak.lib.core.utils.Utils
+import com.infomaniak.mail.data.models.calendar.CalendarEvent.CalendarEventStatus
 import com.infomaniak.mail.utils.extensions.isUserIn
 import io.realm.kotlin.types.EmbeddedRealmObject
 import kotlinx.serialization.SerialName
@@ -39,12 +40,10 @@ class CalendarEventResponse() : EmbeddedRealmObject {
 
     constructor(
         userStoredEvent: CalendarEvent?,
-        isUserStoredEventDeleted: Boolean,
         attachmentEvent: CalendarEvent?,
         attachmentEventMethod: String?,
     ) : this() {
         this.userStoredEvent = userStoredEvent
-        this.isUserStoredEventDeleted = isUserStoredEventDeleted
         this.attachmentEvent = attachmentEvent
         this._attachmentEventMethod = attachmentEventMethod
     }
@@ -54,7 +53,7 @@ class CalendarEventResponse() : EmbeddedRealmObject {
 
     val calendarEvent get() = userStoredEvent ?: attachmentEvent
 
-    val isCanceled get() = isUserStoredEventDeleted || attachmentEventMethod == AttachmentEventMethod.CANCEL
+    val isCanceled get() = calendarEvent?.status == CalendarEventStatus.CANCELLED
 
     fun isReplyAuthorized(): Boolean {
         return (attachmentEventMethod == null || attachmentEventMethod == AttachmentEventMethod.REQUEST)
@@ -69,7 +68,6 @@ class CalendarEventResponse() : EmbeddedRealmObject {
     fun everythingButAttendeesIsTheSame(other: CalendarEventResponse?): Boolean {
         if (other == null) return false
 
-        if (isUserStoredEventDeleted != other.isUserStoredEventDeleted) return false
         if (_attachmentEventMethod != other._attachmentEventMethod) return false
 
         val c1 = calendarEvent
@@ -88,7 +86,6 @@ class CalendarEventResponse() : EmbeddedRealmObject {
         other as CalendarEventResponse
 
         if (userStoredEvent != other.userStoredEvent) return false
-        if (isUserStoredEventDeleted != other.isUserStoredEventDeleted) return false
         if (attachmentEvent != other.attachmentEvent) return false
 
         return _attachmentEventMethod == other._attachmentEventMethod
@@ -96,7 +93,6 @@ class CalendarEventResponse() : EmbeddedRealmObject {
 
     override fun hashCode(): Int {
         var result = userStoredEvent?.hashCode() ?: 0
-        result = 31 * result + isUserStoredEventDeleted.hashCode()
         result = 31 * result + (attachmentEvent?.hashCode() ?: 0)
         result = 31 * result + (_attachmentEventMethod?.hashCode() ?: 0)
 
diff --git a/app/src/test/java/com/infomaniak/mail/CalendarEventResponseTest.kt b/app/src/test/java/com/infomaniak/mail/CalendarEventResponseTest.kt
index 6110b6279d..b43786db5d 100644
--- a/app/src/test/java/com/infomaniak/mail/CalendarEventResponseTest.kt
+++ b/app/src/test/java/com/infomaniak/mail/CalendarEventResponseTest.kt
@@ -21,6 +21,7 @@ import com.infomaniak.mail.data.models.calendar.Attendee
 import com.infomaniak.mail.data.models.calendar.Attendee.AttendanceState
 import com.infomaniak.mail.data.models.calendar.CalendarEvent
 import com.infomaniak.mail.data.models.calendar.CalendarEventResponse
+import com.infomaniak.mail.data.models.calendar.CalendarEventResponse.AttachmentEventMethod
 import com.infomaniak.mail.data.models.message.Body
 import com.infomaniak.mail.data.models.message.Message
 import com.infomaniak.mail.ui.main.thread.ThreadAdapter
@@ -141,10 +142,11 @@ class CalendarEventResponseTest {
 
     private fun getBasicCalendarEventResponse(
         userStoredEvent: CalendarEvent,
-        isUserStoredEventDeleted: Boolean,
+        hasCanceledEventMethod: Boolean,
     ): CalendarEventResponse {
         val attachmentEvent = getBasicCalendarEvent(AttendanceState.NEEDS_ACTION)
-        return CalendarEventResponse(userStoredEvent, isUserStoredEventDeleted, attachmentEvent, "REQUEST")
+        val method = if (hasCanceledEventMethod) AttachmentEventMethod.CANCEL.name else AttachmentEventMethod.REQUEST.name
+        return CalendarEventResponse(userStoredEvent, attachmentEvent, method)
     }
 
     companion object {