diff --git a/build.gradle.kts b/build.gradle.kts
index 49fdc59..6dddd18 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -37,6 +37,8 @@ dependencies {
     implementation("io.ktor:ktor-html-builder:1.6.3")
     implementation("junit:junit:4.13.1")
     testImplementation("junit:junit:4.13.1")
+    implementation("org.apache.poi:poi:5.0.0")
+    implementation("org.apache.poi:poi-ooxml:5.0.0")
 
 }
 
diff --git a/src/main/kotlin/main/Main.kt b/src/main/kotlin/main/Main.kt
index ca66af5..495b26b 100644
--- a/src/main/kotlin/main/Main.kt
+++ b/src/main/kotlin/main/Main.kt
@@ -22,6 +22,10 @@ import java.awt.Frame
 import java.io.File
 import java.io.FileWriter
 import java.io.IOException
+import org.apache.poi.ss.usermodel.CellType
+import org.apache.poi.ss.usermodel.Workbook
+import org.apache.poi.xssf.usermodel.XSSFWorkbook
+import java.io.FileInputStream
 
 val customRedColor = Color(0xFFB70D1B)
 
@@ -95,9 +99,9 @@ fun app() {
                 glossairePage(
                     onAjouterMotClick = { currentPage.value = "formulaire" },
                     onImporterClick = {
-                        selectFile(setOf("csv")) { filePath ->
+                        selectFile(setOf("csv", "xlsx")) { filePath ->
                             println("Importing file: $filePath")
-                            importCSV(filePath)
+                            importFile(filePath)
                         }
                     },
                     onExporterClick = {
@@ -196,7 +200,23 @@ fun exportToCSV(csvFilePath: String) {
     }
 }
 
-fun importCSV(cheminFichier: String) {
+fun importFile(cheminFichier: String) {
+    val fileExtension = File(cheminFichier).extension.lowercase()
+
+    when {
+        fileExtension == "csv" -> {
+            importCSVFile(cheminFichier)
+        }
+        fileExtension == "xlsx" -> {
+            importXLSXFile(cheminFichier)
+        }
+        else -> {
+            println("Unsupported file format.")
+        }
+    }
+}
+
+fun importCSVFile(cheminFichier: String) {
     val file = File(cheminFichier).readText(Charsets.UTF_8)
 
     val lines = file.split("\n")
@@ -236,6 +256,63 @@ fun importCSV(cheminFichier: String) {
     }
 }
 
+private fun importXLSXFile(cheminFichier: String) {
+    val workbook: Workbook
+    try {
+        FileInputStream(cheminFichier).use { fileInputStream ->
+            workbook = XSSFWorkbook(fileInputStream)
+        }
+
+        val sheet = workbook.getSheetAt(0) // Assuming the data is in the first sheet
+
+        val headerRow = sheet.getRow(0)
+        val header = mutableListOf<String>()
+        for (i in 0 until headerRow.lastCellNum) {
+            header.add(headerRow.getCell(i).stringCellValue)
+        }
+
+        val dataLines = mutableListOf<Map<String, String>>()
+
+        for (i in 1 until sheet.physicalNumberOfRows) {
+            val currentRow = sheet.getRow(i)
+            val data = mutableMapOf<String, String>()
+
+            for (j in 0 until currentRow.lastCellNum) {
+                val cell = currentRow.getCell(j)
+                val cellValue = when (cell.cellType) {
+                    CellType.STRING -> cell.stringCellValue
+                    CellType.NUMERIC -> cell.numericCellValue.toString()
+                    else -> ""
+                }
+                data[header[j]] = cellValue
+            }
+
+            dataLines.add(data)
+        }
+
+        dataLines.forEach { line ->
+            // Check if the line is not empty or blank
+            if (line.isNotEmpty()) {
+                // Process each line as needed
+                val nouveauMot = Mot(
+                    nom = line["Mot"] ?: "",
+                    description = line["Description"] ?: "",
+                    contextePrincipal = line["Contexte principal"] ?: "",
+                    contexte2 = line["Contexte 2"] ?: "",
+                    lieA = line["Lié à"] ?: "",
+                    synonyme = line["Synonyme"] ?: "",
+                    antonyme = line["Antonyme"] ?: ""
+                )
+
+                if (nouveauMot.nom.isNotBlank() && verifierChampsRequis(line)) {
+                    ajouterMotAuGlossaire(nouveauMot)
+                }
+            }
+        }
+    } catch (e: IOException) {
+        e.printStackTrace()
+    }
+}
 
 fun verifierChampsRequis(mot: Map<String, String>): Boolean {
     //Vérifier que les headers sont égales aux champs requis
@@ -379,7 +456,7 @@ fun glossairePage(
                 contentColor = Color.White
             )
         ) {
-            Text("Importer un fichier CSV")
+            Text("Importer un fichier CSV ou XLSX")
         }
 
         Button(
@@ -413,9 +490,10 @@ fun glossairePage(
 
 }
 
-
 @Composable
 fun formulairePage(onAnnulerClick: () -> Unit) {
+    // State to track whether to show the snackbar
+    val snackbarVisibleState = remember { mutableStateOf(false) }
 
     MaterialTheme {
         Column(
@@ -438,8 +516,8 @@ fun formulairePage(onAnnulerClick: () -> Unit) {
                 onValueChange = { description.value = it },
                 label = { Text("Description") },
                 colors = TextFieldDefaults.textFieldColors(
-                    focusedIndicatorColor = customRedColor, // Change this to the color you want
-                    unfocusedIndicatorColor = Color.Gray // Change this to the color you want
+                    focusedIndicatorColor = customRedColor,
+                    unfocusedIndicatorColor = Color.Gray
                 )
             )
 
@@ -449,8 +527,8 @@ fun formulairePage(onAnnulerClick: () -> Unit) {
                 onValueChange = { contextePrincipal.value = it },
                 label = { Text("Contexte principal *") },
                 colors = TextFieldDefaults.textFieldColors(
-                    focusedIndicatorColor = customRedColor, // Change this to the color you want
-                    unfocusedIndicatorColor = Color.Gray // Change this to the color you want
+                    focusedIndicatorColor = customRedColor,
+                    unfocusedIndicatorColor = Color.Gray
                 )
             )
 
@@ -460,8 +538,8 @@ fun formulairePage(onAnnulerClick: () -> Unit) {
                 onValueChange = { contexte2.value = it },
                 label = { Text("Contexte 2") },
                 colors = TextFieldDefaults.textFieldColors(
-                    focusedIndicatorColor = customRedColor, // Change this to the color you want
-                    unfocusedIndicatorColor = Color.Gray // Change this to the color you want
+                    focusedIndicatorColor = customRedColor,
+                    unfocusedIndicatorColor = Color.Gray
                 )
             )
 
@@ -471,8 +549,8 @@ fun formulairePage(onAnnulerClick: () -> Unit) {
                 onValueChange = { lieA.value = it },
                 label = { Text("Lié à") },
                 colors = TextFieldDefaults.textFieldColors(
-                    focusedIndicatorColor = customRedColor, // Change this to the color you want
-                    unfocusedIndicatorColor = Color.Gray // Change this to the color you want
+                    focusedIndicatorColor = customRedColor,
+                    unfocusedIndicatorColor = Color.Gray
                 )
             )
 
@@ -482,8 +560,8 @@ fun formulairePage(onAnnulerClick: () -> Unit) {
                 onValueChange = { synonyme.value = it },
                 label = { Text("Synonyme") },
                 colors = TextFieldDefaults.textFieldColors(
-                    focusedIndicatorColor = customRedColor, // Change this to the color you want
-                    unfocusedIndicatorColor = Color.Gray // Change this to the color you want
+                    focusedIndicatorColor = customRedColor,
+                    unfocusedIndicatorColor = Color.Gray
                 )
             )
 
@@ -493,8 +571,8 @@ fun formulairePage(onAnnulerClick: () -> Unit) {
                 onValueChange = { antonyme.value = it },
                 label = { Text("Antonyme") },
                 colors = TextFieldDefaults.textFieldColors(
-                    focusedIndicatorColor = customRedColor, // Change this to the color you want
-                    unfocusedIndicatorColor = Color.Gray // Change this to the color you want
+                    focusedIndicatorColor = customRedColor,
+                    unfocusedIndicatorColor = Color.Gray
                 )
             )
 
@@ -516,7 +594,8 @@ fun formulairePage(onAnnulerClick: () -> Unit) {
                     onClick = {
                         // Validation du formulaire
                         if (nom.value.isBlank() || contextePrincipal.value.isBlank()) {
-                            println("Les champs 'Mot' et 'Contexte principal' sont obligatoires.")
+                            // Show the snackbar when validation fails
+                            snackbarVisibleState.value = true
                             return@Button
                         }
 
@@ -552,10 +631,24 @@ fun formulairePage(onAnnulerClick: () -> Unit) {
                 }
             }
 
+            // Show the snackbar when the state is true
+            if (snackbarVisibleState.value) {
+                Snackbar(
+                    modifier = Modifier.padding(16.dp),
+                    action = {
+                        Button(onClick = { snackbarVisibleState.value = false }) {
+                            Text("OK")
+                        }
+                    }
+                ) {
+                    Text("Les champs 'Mot' et 'Contexte principal' sont obligatoires.")
+                }
+            }
         }
     }
 }
 
+
 fun chargerDonneesDepuisFichier(): List<Mot> {
     //if file is empty, return empty list
     if (!File("glossaire.json").exists() || File("glossaire.json").length() == 0L) {