diff --git a/advotracker_client/Cargo.toml b/advotracker_client/Cargo.toml
index f852f49..25c16e2 100644
--- a/advotracker_client/Cargo.toml
+++ b/advotracker_client/Cargo.toml
@@ -22,6 +22,7 @@ chrono = { version = "~0.4.0", features = ["serde"] }
 cfg-if = { version = "~1.0" }
 clap = { version = "~2.33", features = ["suggestions", "color"] }
 csv = { version = "~1.1" }
+directories = { version = "~3.0" }
 dotenv = { version = "~0.15.0" }
 envy = { version = "~0.4" }
 lettre ={ version = "0.10.0-rc.3" }
diff --git a/advotracker_client/src/parse_args.rs b/advotracker_client/src/parse_args.rs
index 1f3df46..a166410 100644
--- a/advotracker_client/src/parse_args.rs
+++ b/advotracker_client/src/parse_args.rs
@@ -5,10 +5,8 @@
  * Copyright 2020-2021 Ralf Zerres <ralf.zerres@networkx.de>
  */
 
-// parse CLI commandline arguments with clap
 use clap::{crate_authors, crate_description, crate_name, crate_version, App, Arg};
-
-//use log::{debug, info, trace, warn};
+use directories::{BaseDirs, UserDirs, ProjectDirs};
 use std::env;
 use tracing::trace;
 use viperus::Viperus;
@@ -26,6 +24,38 @@ pub fn parse_args(viperus: &mut Viperus) -> Result<(), Box<dyn std::error::Error
         println!("Using feature fmt-clap");
     }
 
+    if let Some(proj_dirs) = ProjectDirs::from("de", "Networkx GmbH",  "advotracker") {
+        proj_dirs.config_dir();
+        // Lin: $HOME/.config/advotracker
+        // Win: C:\Users\%USERNAME%\AppData\Roaming\Networkx GmbH\advotracker\config
+        // Mac: /Users/$USER/Library/Application Support/de.Networkx-GmbH.advotracker
+        trace!(target: "ProjectDirs", "Viperus feature 'fmt-clap' enabled.");
+    }
+
+    if let Some(proj_dirs) = ProjectDirs::from("de", "Networkx GmbH",  "advotracker") {
+        proj_dirs.config_dir();
+        // Lin: $HOME/.config/advotracker
+        // Win: C:\Users\%USERNAME%\AppData\Roaming\Networkx GmbH\advotracker\config
+        // Mac: /Users/$USER/Library/Application Support/de.Networkx-GmbH.advotracker
+        trace!(target: "directories", config_dir = ?proj_dirs.config_dir().display());
+    }
+
+    // if let Some(base_dirs) = BaseDirs::new() {
+    //     base_dirs.executable_dir();
+    //     // Lin: Some($HOME/.local/bin)
+    //     // Win: None
+    //     // Mac: None
+    //     trace!(target: "directories", executable_dir = ?base_dirs.executable_dir().unwrap());
+    // }
+
+    if let Some(user_dirs) = UserDirs::new() {
+        user_dirs.picture_dir();
+        // Lin: /home/alice/Pictures
+        // Win: C:\Users\Alice\Pictures
+        // Mac: /Users/Alice/Pictures
+        trace!(target: "directories", audio_dir = ?user_dirs.picture_dir().unwrap());
+    }
+
     // preset default key/value pairs (lowest priority)
     viperus.add_default("config_file", String::from("csv_import.ron"));
     viperus.add_default("import_file", String::from("POLLFNR_WOECHENTLICH.txt"));