diff --git a/src/converters/libreoffice.ts b/src/converters/libreoffice.ts
index 9bc8e69..f9a06c3 100644
--- a/src/converters/libreoffice.ts
+++ b/src/converters/libreoffice.ts
@@ -6,7 +6,6 @@ export const properties = {
     text: [
       "602",
       "abw",
-      "csv",
       "cwk",
       "doc",
       "docm",
@@ -35,7 +34,6 @@ export const properties = {
       "stw",
       "sxw",
       "tab",
-      "tsv",
       "txt",
       "wn",
       "wpd",
@@ -46,10 +44,10 @@ export const properties = {
       "xml",
       "zabw",
     ],
+    calc: ["csv", "ods", "tsv", "xls", "xlsx"],
   },
   to: {
     text: [
-      "csv",
       "doc",
       "docm",
       "docx",
@@ -65,13 +63,13 @@ export const properties = {
       "pdf",
       "rtf",
       "tab",
-      "tsv",
       "txt",
       "wps",
       "wpt",
       "xhtml",
       "xml",
     ],
+    calc: ["csv", "ods", "pdf", "tsv", "xls", "xlsx", "ots", "xlsm", "xlt", "xltm"],
   },
 };
 
@@ -117,7 +115,7 @@ const filters: Record<FileCategories, Record<string, string | null>> = {
     // filter makes soffice reject a genuine Works document with "source file
     // could not be loaded", even though it converts the same file fine with
     // no --infilter at all (LibreOffice auto-detects it correctly).
-    //
+
     // null is deliberate for BOTH directions here, not just the import side:
     // this map feeds both --infilter (import) and the --convert-to suffix
     // (export). On import, null lets LibreOffice auto-detect - its Works
@@ -133,7 +131,18 @@ const filters: Record<FileCategories, Record<string, string | null>> = {
     xml: "OpenDocument Text Flat XML",
     zabw: "AbiWord",
   },
-  calc: {},
+  calc: {
+    csv: "Text - txt - csv (StarCalc)",
+    ods: "calc8",
+    ots: "calc8_template",
+    pdf: "calc_pdf_Export",
+    tsv: "Text - txt - csv (StarCalc)",
+    xls: "MS Excel 97",
+    xlsx: "Calc MS Excel 2007 XML",
+    xlsm: "Calc MS Excel 2007 XML VBA",
+    xlt: "MS Excel 97 Vorlage",
+    xltm: "Calc MS Excel 2007 XML Template",
+  },
 };
 
 const getFilters = (fileType: string, converto: string) => {