diff --git a/files/custom_hp4192a.xml b/files/custom_hp4192a.xml
new file mode 100644
index 0000000..f33a81a
--- /dev/null
+++ b/files/custom_hp4192a.xml
@@ -0,0 +1,44 @@
+<?xml version='1.0' standalone='yes' ?>
+<LVData xmlns="http://www.ni.com/LVData">
+<Version>23.1f272</Version>
+<Cluster>
+<Name>custom datafile format</Name>
+<NumElts>8</NumElts>
+<String>
+<Name>header</Name>
+<Val>freq  ; Re Z ; Im Z</Val>
+</String>
+<U8>
+<Name>label length</Name>
+<Val>0</Val>
+</U8>
+<EW>
+<Name>data_separator</Name>
+<Choice>space</Choice>
+<Choice>comma</Choice>
+<Choice>semicolon</Choice>
+<Choice>tab</Choice>
+<Val>3</Val>
+</EW>
+<U8>
+<Name>ignore first</Name>
+<Val>0</Val>
+</U8>
+<U8>
+<Name>column_freq</Name>
+<Val>1</Val>
+</U8>
+<U8>
+<Name>column_Zr</Name>
+<Val>2</Val>
+</U8>
+<U8>
+<Name>column_Zi</Name>
+<Val>3</Val>
+</U8>
+<U8>
+<Name>ignore last</Name>
+<Val>2</Val>
+</U8>
+</Cluster>
+</LVData>
\ No newline at end of file
diff --git a/yappari-5-1-82.exe b/yappari-5-1-82.exe
index 72b2e8d..0db5fab 100644
Binary files a/yappari-5-1-82.exe and b/yappari-5-1-82.exe differ