diff --git a/app/agenda/page.tsx b/app/agenda/page.tsx
index 4e12c95..5351589 100644
--- a/app/agenda/page.tsx
+++ b/app/agenda/page.tsx
@@ -579,16 +579,25 @@ export default async function CalendarPage() {
     if (needsSync) {
       console.log(`[AGENDA] Triggering background sync for Microsoft calendar ${syncConfig.id}`);
       // Trigger sync in background (don't await to avoid blocking page load)
+      // The sync will update the database, and the next page load will show the events
       import('@/lib/services/microsoft-calendar-sync').then(({ syncMicrosoftCalendar }) => {
         syncMicrosoftCalendar(syncConfig.id, false).then((result) => {
-          console.log(`[AGENDA] Microsoft sync completed:`, result);
+          console.log(`[AGENDA] Microsoft sync completed:`, {
+            calendarSyncId: syncConfig.id,
+            synced: result.synced,
+            created: result.created,
+            updated: result.updated,
+          });
         }).catch((error) => {
-          console.error('Background sync failed for Microsoft calendar', {
+          console.error('[AGENDA] Background sync failed for Microsoft calendar', {
             calendarSyncId: syncConfig.id,
             error: error instanceof Error ? error.message : String(error),
+            stack: error instanceof Error ? error.stack : undefined,
           });
         });
       });
+    } else {
+      console.log(`[AGENDA] Microsoft sync skipped - too soon since last sync (${syncConfig.syncFrequency} min)`);
     }
   }
 
diff --git a/lib/services/microsoft-calendar-sync.ts b/lib/services/microsoft-calendar-sync.ts
index 351277c..4a73f85 100644
--- a/lib/services/microsoft-calendar-sync.ts
+++ b/lib/services/microsoft-calendar-sync.ts
@@ -264,6 +264,14 @@ export async function syncMicrosoftCalendar(
     const endDate = new Date();
     endDate.setMonth(endDate.getMonth() + 3);
 
+    logger.info('Starting Microsoft calendar sync', {
+      calendarSyncId,
+      calendarId: syncConfig.calendarId,
+      email: creds.email,
+      externalCalendarId: syncConfig.externalCalendarId,
+      dateRange: { start: startDate.toISOString(), end: endDate.toISOString() },
+    });
+
     const microsoftEvents = await fetchMicrosoftEvents(
       syncConfig.calendar.userId,
       creds.email,
@@ -272,6 +280,12 @@ export async function syncMicrosoftCalendar(
       endDate
     );
 
+    logger.info('Fetched Microsoft events', {
+      calendarSyncId,
+      eventCount: microsoftEvents.length,
+      events: microsoftEvents.slice(0, 5).map(e => ({ id: e.id, subject: e.subject, start: e.start.dateTime })),
+    });
+
     // Convert Microsoft events to CalDAV-like format
     const caldavEvents = microsoftEvents.map(convertMicrosoftEventToCalDAV);
 
@@ -286,6 +300,12 @@ export async function syncMicrosoftCalendar(
     let updated = 0;
     let deleted = 0;
 
+    logger.info('Syncing events to database', {
+      calendarSyncId,
+      existingEventsCount: existingEvents.length,
+      newEventsCount: caldavEvents.length,
+    });
+
     // Sync events: create or update
     for (const caldavEvent of caldavEvents) {
       // Store Microsoft ID in description with a special prefix for matching