diff --git a/src/main/java/ch/ethz/seb/sebserver/gui/content/CertificateImportPopup.java b/src/main/java/ch/ethz/seb/sebserver/gui/content/CertificateImportPopup.java
new file mode 100644
index 00000000..4c398dd5
--- /dev/null
+++ b/src/main/java/ch/ethz/seb/sebserver/gui/content/CertificateImportPopup.java
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2021 ETH Zürich, Educational Development and Technology (LET)
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+package ch.ethz.seb.sebserver.gui.content;
+
+import java.util.function.Function;
+import java.util.function.Supplier;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.context.annotation.Lazy;
+import org.springframework.stereotype.Component;
+
+import ch.ethz.seb.sebserver.gbl.profile.GuiProfile;
+import ch.ethz.seb.sebserver.gui.service.i18n.LocTextKey;
+import ch.ethz.seb.sebserver.gui.service.page.PageMessageException;
+import ch.ethz.seb.sebserver.gui.service.page.PageService;
+import ch.ethz.seb.sebserver.gui.service.page.impl.PageAction;
+
+@Lazy
+@Component
+@GuiProfile
+public class CertificateImportPopup {
+
+    private static final Logger log = LoggerFactory.getLogger(SEBExamConfigImportPopup.class);
+
+    private final static PageMessageException MISSING_PASSWORD = new PageMessageException(
+            new LocTextKey("sebserver.certificate.action.import.missing-password"));
+
+    private final PageService pageService;
+
+    protected CertificateImportPopup(final PageService pageService) {
+        this.pageService = pageService;
+    }
+
+    public Function<PageAction, PageAction> importFunction() {
+        return importFunction(null);
+    }
+
+    public Function<PageAction, PageAction> importFunction(final Supplier<String> tabSelectionSupplier) {
+        return action -> {
+
+//            final boolean newConfig = tabSelectionSupplier == null || tabSelectionSupplier.get() == null;
+//            final PageContext context = (tabSelectionSupplier != null)
+//                    ? action.pageContext()
+//                            .withAttribute(SEBSettingsForm.ATTR_VIEW_INDEX, tabSelectionSupplier.get())
+//                    : action.pageContext();
+//
+//            final ModalInputDialog<FormHandle<ConfigurationNode>> dialog =
+//                    new ModalInputDialog<FormHandle<ConfigurationNode>>(
+//                            action.pageContext().getParent().getShell(),
+//                            this.pageService.getWidgetFactory())
+//                                    .setLargeDialogWidth();
+//
+//            final ImportFormContext importFormContext = new ImportFormContext(
+//                    this.pageService,
+//                    context,
+//                    newConfig);
+//
+//            dialog.open(
+//                    SEBExamConfigForm.FORM_IMPORT_TEXT_KEY,
+//                    (Predicate<FormHandle<ConfigurationNode>>) formHandle -> doImport(
+//                            formHandle,
+//                            newConfig),
+//                    importFormContext::cancelUpload,
+//                    importFormContext);
+
+            return action;
+        };
+    }
+
+}
diff --git a/src/main/java/ch/ethz/seb/sebserver/gui/widget/FileUploadSelection.java b/src/main/java/ch/ethz/seb/sebserver/gui/widget/FileUploadSelection.java
index 1fe1e571..02fde6b4 100644
--- a/src/main/java/ch/ethz/seb/sebserver/gui/widget/FileUploadSelection.java
+++ b/src/main/java/ch/ethz/seb/sebserver/gui/widget/FileUploadSelection.java
@@ -13,6 +13,7 @@ import java.io.InputStream;
 import java.io.PipedInputStream;
 import java.io.PipedOutputStream;
 import java.util.ArrayList;
+import java.util.Collection;
 import java.util.List;
 import java.util.Locale;
 import java.util.function.Consumer;
@@ -59,6 +60,7 @@ public class FileUploadSelection extends Composite {
     public FileUploadSelection(
             final Composite parent,
             final I18nSupport i18nSupport,
+            final Collection<String> supportedFiles,
             final boolean readonly) {
 
         super(parent, SWT.NONE);
@@ -87,6 +89,10 @@ public class FileUploadSelection extends Composite {
             this.inputReceiver = new InputReceiver();
             this.uploadHandler = new FileUploadHandler(this.inputReceiver);
 
+            if (supportedFiles != null && !supportedFiles.isEmpty()) {
+                this.fileUpload.setFilterExtensions(supportedFiles.toArray(new String[supportedFiles.size()]));
+            }
+
             this.fileName = new Label(this, SWT.NONE);
             this.fileName.setText(i18nSupport.getText(PLEASE_SELECT_TEXT));
             this.fileName.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
diff --git a/src/main/java/ch/ethz/seb/sebserver/gui/widget/WidgetFactory.java b/src/main/java/ch/ethz/seb/sebserver/gui/widget/WidgetFactory.java
index e0e6a4f1..885aa7b0 100644
--- a/src/main/java/ch/ethz/seb/sebserver/gui/widget/WidgetFactory.java
+++ b/src/main/java/ch/ethz/seb/sebserver/gui/widget/WidgetFactory.java
@@ -866,8 +866,11 @@ public class WidgetFactory {
             final boolean readonly,
             final Collection<String> supportedFiles) {
 
-        final FileUploadSelection fileUploadSelection =
-                new FileUploadSelection(parent, this.i18nSupport, readonly);
+        final FileUploadSelection fileUploadSelection = new FileUploadSelection(
+                parent,
+                this.i18nSupport,
+                supportedFiles,
+                readonly);
 
         if (supportedFiles != null) {
             supportedFiles.forEach(fileUploadSelection::withSupportFor);
diff --git a/src/main/resources/messages.properties b/src/main/resources/messages.properties
index 466b9b94..1d98d685 100644
--- a/src/main/resources/messages.properties
+++ b/src/main/resources/messages.properties
@@ -1532,6 +1532,9 @@ sebserver.configtemplate.attr.form.value.tooltip=The SEB exam configuration attr
 sebserver.configtemplate.attr.action.setdefault=Set Default Values
 sebserver.configtemplate.attr.action.template=View Configuration Template
 
+################################
+# Certificates
+################################
 
 sebserver.certificate.action.list=Certificates
 sebserver.certificate.action.import=Import Certificate
@@ -1547,6 +1550,8 @@ sebserver.certificate.list.column.type.DIGITAL_SIGNATURE=TLS/SSL
 sebserver.certificate.list.column.type.DATA_ENCIPHERMENT=Identity
 sebserver.certificate.list.column.type.KEY_CERT_SIGN=CA
 
+sebserver.certificate.action.import.missing-password
+
 
 ################################
 # Monitoring