diff --git a/app/src/main/java/net/gsantner/markor/format/csv/CsvTextConverter.java b/app/src/main/java/net/gsantner/markor/format/csv/CsvTextConverter.java
index 7203bcc1de..d8473a6e40 100644
--- a/app/src/main/java/net/gsantner/markor/format/csv/CsvTextConverter.java
+++ b/app/src/main/java/net/gsantner/markor/format/csv/CsvTextConverter.java
@@ -20,6 +20,7 @@
 
 import net.gsantner.markor.format.TextConverterBase;
 import net.gsantner.markor.format.markdown.MarkdownTextConverter;
+import net.gsantner.opoc.util.GsCollectionUtils;
 
 import java.io.BufferedReader;
 import java.io.Closeable;
@@ -27,8 +28,7 @@
 import java.io.IOException;
 import java.io.Reader;
 import java.io.StringReader;
-
-import other.de.stanetz.jpencconverter.JavaPasswordbasedCryption;
+import java.util.List;
 
 /**
  * Part of Markor-Architecture implementing Preview/Export for csv.
@@ -49,8 +49,8 @@ public String convertMarkup(String csvMarkup, Context context, boolean lightMode
 
     @Override
     protected boolean isFileOutOfThisFormat(String filepath, String extWithDot) {
-        filepath = filepath.replace(JavaPasswordbasedCryption.DEFAULT_ENCRYPTION_EXTENSION, "");
-        return filepath.toLowerCase().endsWith(".csv");
+        final List<String> assignedExtensions = GsCollectionUtils.asList(".csv", ".tsv", ".tab", ".psv");
+        return assignedExtensions.contains(extWithDot);
     }
 
     protected static class Csv2MdTable implements Closeable {