diff --git a/cntmanage/flightslot/actions/exportweek.py b/cntmanage/flightslot/actions/exportweek.py
index 133c5d5..e14f8f6 100644
--- a/cntmanage/flightslot/actions/exportweek.py
+++ b/cntmanage/flightslot/actions/exportweek.py
@@ -57,7 +57,7 @@ def export_selected(request: HttpRequest, queryset: QuerySet[WeekPreference]) ->
     center = Alignment(horizontal="center", vertical="center", wrapText=True)
 
     # Cell styles 
-    border_thick: Side = Side(style='thick', color='000000')
+    border_thick: Side = Side(style='medium', color='000000')
     border_thin: Side = Side(style='thin', color='000000', border_style='dashed')
     border_bottom: Border = Border(bottom=border_thick)
     border_bottom_thin: Border = Border(bottom=border_thin)
@@ -78,7 +78,7 @@ def export_selected(request: HttpRequest, queryset: QuerySet[WeekPreference]) ->
     # Each of this iterations fills the table for a student
     row: int = 2
     row_offset: int = 0
-    for i, q in enumerate(queryset.order_by("week", "student__surname", "student__name", "student__course"), start=1):
+    for i, q in enumerate(queryset.order_by("-week", "student__surname", "student__name", "student__course"), start=1):
         student_data: List[str]
         student_phone: str = str(q.student.phone) if q.student.phone else ""
         student_email: str = q.student.email
@@ -191,8 +191,7 @@ def export_selected(request: HttpRequest, queryset: QuerySet[WeekPreference]) ->
             ws.cell(row=student_end, column=c).border = Border(bottom=border_thick, right=border_thin)
             # And for last column also a vertical border all student high
             if c == mail_index:
-                for row_content in range(student_start, student_end + 1):
-                    ws.cell(row=row_content, column=c).border += border_right
+                ws.cell(row=student_end, column=c).border = Border(bottom=border_thick, right=border_thick)
 
         # Merge Week, thick border
         ws.cell(row=student_start, column=week_index).border = border_all