diff --git a/src/consts/file.js b/src/consts/file.js
index 435091af..fbd1c82d 100644
--- a/src/consts/file.js
+++ b/src/consts/file.js
@@ -2,18 +2,21 @@ const supportedImageExtensions = '.jpg,.jpeg,.png,.gif,.webp';
 
 const supportedImportFileTypes = [
     {
-        type: 'ezbookkeeping_csv',
-        name: 'ezbookkeeping Data Export File (CSV)',
-        extensions: '.csv',
-        document: {
-            supportMultiLanguages: true,
-            anchor: 'export-transactions'
-        }
-    },
-    {
-        type: 'ezbookkeeping_tsv',
-        name: 'ezbookkeeping Data Export File (TSV)',
-        extensions: '.tsv',
+        type: 'ezbookkeeping',
+        name: 'ezbookkeeping Data Export File',
+        extensions: '.csv,.tsv',
+        subTypes: [
+            {
+                type: 'ezbookkeeping_csv',
+                name: 'CSV (Comma-separated values) File',
+                extensions: '.csv',
+            },
+            {
+                type: 'ezbookkeeping_tsv',
+                name: 'TSV (Tab-separated values) File',
+                extensions: '.tsv',
+            }
+        ],
         document: {
             supportMultiLanguages: true,
             anchor: 'export-transactions'
diff --git a/src/lib/file.js b/src/lib/file.js
new file mode 100644
index 00000000..135adbe0
--- /dev/null
+++ b/src/lib/file.js
@@ -0,0 +1,29 @@
+import { isString } from './common.js';
+
+export function getFileExtension(filename) {
+    if (!filename || !isString(filename)) {
+        return '';
+    }
+
+    const parts = filename.split('.');
+    return parts[parts.length - 1];
+}
+
+export function isFileExtensionSupported(filename, supportedExtensions) {
+    if (!supportedExtensions) {
+        return false;
+    }
+
+    const supportedExtensionsArray = supportedExtensions.split(',');
+    const fileExtension = getFileExtension(filename).toLowerCase();
+
+    for (let i = 0; i < supportedExtensionsArray.length; i++) {
+        const supportedExtension = getFileExtension(supportedExtensionsArray[i]).toLowerCase();
+
+        if (supportedExtension === fileExtension) {
+            return true;
+        }
+    }
+
+    return false;
+}
diff --git a/src/lib/i18n.js b/src/lib/i18n.js
index b6ad5bdc..f948b20c 100644
--- a/src/lib/i18n.js
+++ b/src/lib/i18n.js
@@ -1308,6 +1308,7 @@ function getAllSupportedImportFileTypes(i18nGlobal, translateFn) {
                 subTypes.push({
                     type: subType.type,
                     displayName: translateFn(subType.name),
+                    extensions: subType.extensions
                 });
             }
         }
diff --git a/src/locales/en.json b/src/locales/en.json
index d3e2efdd..b98960b3 100644
--- a/src/locales/en.json
+++ b/src/locales/en.json
@@ -1244,6 +1244,7 @@
     "Time": "Time",
     "Color": "Color",
     "Type": "Type",
+    "Format": "Format",
     "All Types": "All Types",
     "More": "More",
     "All": "All",
@@ -1523,8 +1524,7 @@
     "Data Import Completed": "Data Import Completed",
     "File Type": "File Type",
     "How to export this file?": "How to export this file?",
-    "ezbookkeeping Data Export File (CSV)": "ezbookkeeping Data Export File (CSV)",
-    "ezbookkeeping Data Export File (TSV)": "ezbookkeeping Data Export File (TSV)",
+    "ezbookkeeping Data Export File": "ezbookkeeping Data Export File",
     "Quicken Interchange Format (QIF) File": "Quicken Interchange Format (QIF) File",
     "Year-month-day format": "Year-month-day format",
     "Month-day-year format": "Month-day-year format",
diff --git a/src/locales/zh_Hans.json b/src/locales/zh_Hans.json
index 2c0446eb..ea714ea0 100644
--- a/src/locales/zh_Hans.json
+++ b/src/locales/zh_Hans.json
@@ -1244,6 +1244,7 @@
     "Time": "时间",
     "Color": "颜色",
     "Type": "类型",
+    "Format": "格式",
     "All Types": "全部类型",
     "More": "更多",
     "All": "全部",
@@ -1523,8 +1524,7 @@
     "Data Import Completed": "数据导入完成",
     "File Type": "文件类型",
     "How to export this file?": "如何导出该文件？",
-    "ezbookkeeping Data Export File (CSV)": "ezbookkeeping 数据导出文件 (CSV)",
-    "ezbookkeeping Data Export File (TSV)": "ezbookkeeping 数据导出文件 (TSV)",
+    "ezbookkeeping Data Export File": "ezbookkeeping 数据导出文件",
     "Quicken Interchange Format (QIF) File": "Quicken Interchange Format (QIF) 文件",
     "Year-month-day format": "年-月-日 格式",
     "Month-day-year format": "月-日-年 格式",
diff --git a/src/views/desktop/transactions/list/dialogs/ImportDialog.vue b/src/views/desktop/transactions/list/dialogs/ImportDialog.vue
index cdf6591a..8e2a789b 100644
--- a/src/views/desktop/transactions/list/dialogs/ImportDialog.vue
+++ b/src/views/desktop/transactions/list/dialogs/ImportDialog.vue
@@ -83,8 +83,8 @@
                                 item-title="displayName"
                                 item-value="type"
                                 :disabled="submitting"
-                                :label="$t('Type')"
-                                :placeholder="$t('Type')"
+                                :label="$t('Format')"
+                                :placeholder="$t('Format')"
                                 :items="allFileSubTypes"
                                 v-model="fileSubType"
                             />
@@ -490,6 +490,7 @@ import { useExchangeRatesStore } from '@/stores/exchangeRates.js';
 import categoryConstants from '@/consts/category.js';
 import transactionConstants from '@/consts/transaction.js';
 import { getNameByKeyValue } from '@/lib/common.js';
+import { isFileExtensionSupported } from '@/lib/file.js';
 import { generateRandomUUID } from '@/lib/misc.js';
 import logger from '@/lib/logger.js';
 import {
@@ -534,8 +535,8 @@ export default {
             showState: false,
             clientSessionId: '',
             currentStep: 'uploadFile',
-            fileType: 'ezbookkeeping_csv',
-            fileSubType: '',
+            fileType: 'ezbookkeeping',
+            fileSubType: 'ezbookkeeping_csv',
             importFile: null,
             importTransactions: null,
             editingTransaction: null,
@@ -656,6 +657,14 @@ export default {
             return getTimezoneOffsetMinutes(this.settingsStore.appSettings.timeZone);
         },
         supportedImportFileExtensions() {
+            if (this.allFileSubTypes && this.allFileSubTypes.length) {
+                const subTypeExtensions = getNameByKeyValue(this.allFileSubTypes, this.fileSubType, 'type', 'extensions');
+
+                if (subTypeExtensions) {
+                    return subTypeExtensions;
+                }
+            }
+
             return getNameByKeyValue(this.allSupportedImportFileTypes, this.fileType, 'type', 'extensions');
         },
         exportFileGuideDocumentUrl() {
@@ -852,12 +861,24 @@ export default {
             this.editingTags = [];
             this.currentPage = 1;
             this.countPerPage = 10;
+        },
+        fileSubType: function (newValue) {
+            let supportedExtensions = getNameByKeyValue(this.allFileSubTypes, newValue, 'type', 'extensions');
+
+            if (!supportedExtensions) {
+                supportedExtensions = getNameByKeyValue(this.allSupportedImportFileTypes, this.fileType, 'type', 'extensions');
+            }
+
+            if (this.importFile && this.importFile.name && !isFileExtensionSupported(this.importFile.name, supportedExtensions)) {
+                this.importFile = null;
+            }
         }
     },
     methods: {
         open() {
             const self = this;
-            self.fileType = 'ezbookkeeping_csv';
+            self.fileType = 'ezbookkeeping';
+            self.fileSubType = 'ezbookkeeping_csv';
             self.currentStep = 'uploadFile';
             self.importFile = null;
             self.importTransactions = null;