Fixed excel compatability issues.

BackEndFlask/Functions/exportCsv.py

@@ -110,6 +110,7 @@ def return_csv_str(self) -> str:
         """
 
         # Writting a common identifying data.
+        self._writer.writerow(['\ufeff']) # A dom that helps excel auto use utf-8. Downside is that it uses up a line.
         self._writer.writerow(["Course Name"])
         self._writer.writerow([get_course_name_by_at_id(self._at_id)])
         self._writer.writerow([' '])
@@ -192,7 +193,7 @@ def __init__(self, at_id: int) -> None:
         at_id: <class 'int'> 
         """
         super().__init__(at_id)
-        self.__checkmark = "✔"
+        self.__checkmark = '\u2713'
         self.__crossmark = " "
 
     def _format(self) -> None:

FrontEndReact/src/View/Admin/View/ViewAssessmentTask/ViewAssessmentTasks.js

@@ -52,7 +52,7 @@ class ViewAssessmentTasks extends Component {
         if(this.state.isLoaded && this.state.csvCreation) {
             const fileData = this.state.csvCreation["csv_data"];
 
-            const blob = new Blob([fileData], { type: 'csv' });
+            const blob = new Blob([fileData], { type: 'text/csv;charset=utf-8;' });
             const url = URL.createObjectURL(blob);
 
             const link = document.createElement("a");