diff --git a/src/commands/compress.rs b/src/commands/compress.rs
index 30a6460..2ee20c5 100644
--- a/src/commands/compress.rs
+++ b/src/commands/compress.rs
@@ -13,6 +13,8 @@ use crate::{
     QuestionAction, QuestionPolicy, BUFFER_CAPACITY,
 };
 
+use super::copy_recursively;
+
 /// Compress files into `output_file`.
 ///
 /// # Arguments:
@@ -127,10 +129,18 @@ pub fn compress_files(
             return Ok(false);
         },
         SevenZip => {
-            for file in files.iter() {
-                sevenz_rust::compress_to_path(file.as_path(), output_path).unwrap();
-                // todo error return
+            let tmpdir = tempfile::tempdir()?;
+
+            for filep in files.iter() {
+                if filep.is_dir() {
+                    copy_recursively(filep, tmpdir.path()
+                        .join(filep.strip_prefix(std::env::current_dir()?).expect("copy folder error")))?;
+                } else {
+                    fs::copy(filep, tmpdir.path().join(filep.file_name().expect("no filename in file")))?;
+                }
             }
+
+            sevenz_rust::compress_to_path(tmpdir.path(), output_path).expect("can't compress 7zip archive");
         }
     }
 
diff --git a/src/commands/decompress.rs b/src/commands/decompress.rs
index e9539f5..d7243cc 100644
--- a/src/commands/decompress.rs
+++ b/src/commands/decompress.rs
@@ -165,7 +165,7 @@ pub fn decompress_file(
             }
         },
         SevenZip => {
-            sevenz_rust::decompress_file(input_file_path, output_dir).unwrap(); // todo error return
+            sevenz_rust::decompress_file(input_file_path, output_dir).expect("can't decompress");
             1
         }
     };
diff --git a/src/commands/list.rs b/src/commands/list.rs
index 270da8a..5ddbd71 100644
--- a/src/commands/list.rs
+++ b/src/commands/list.rs
@@ -1,6 +1,7 @@
 use std::{
     io::{self, BufReader, Read},
     path::Path,
+    cell::RefCell
 };
 
 use fs_err as fs;
@@ -88,13 +89,13 @@ pub fn list_archive_contents(
             }
         },
         SevenZip => {
-            let mut a = Vec::new();
+            let a = RefCell::new(Vec::new());
 
             sevenz_rust::decompress_file_with_extract_fn(archive_path, ".", |entry, _, _| {
-                a.push(Ok(FileInArchive{path: entry.name().into(), is_dir: entry.is_directory()}));
+                a.borrow_mut().push(Ok(FileInArchive{path: entry.name().into(), is_dir: entry.is_directory()}));
                 Ok(true)
-            });
-            Box::new(a.into_iter())
+            }).expect("failed to get 7z file list");
+            Box::new(a.into_inner().into_iter())
         }
         Gzip | Bzip | Lz4 | Lzma | Snappy | Zstd => {
             panic!("Not an archive! This should never happen, if it does, something is wrong with `CompressionFormat::is_archive()`. Please report this error!");
diff --git a/src/commands/mod.rs b/src/commands/mod.rs
index e5be233..d4d3e86 100644
--- a/src/commands/mod.rs
+++ b/src/commands/mod.rs
@@ -4,7 +4,7 @@ mod compress;
 mod decompress;
 mod list;
 
-use std::{ops::ControlFlow, path::PathBuf};
+use std::{ops::ControlFlow, path::{PathBuf, Path}, fs};
 
 use rayon::prelude::{IndexedParallelIterator, IntoParallelRefIterator, ParallelIterator};
 use utils::colors;
@@ -21,6 +21,21 @@ use crate::{
     warning, CliArgs, QuestionPolicy,
 };
 
+/// Copy files from source to destination recursively.
+fn copy_recursively(source: impl AsRef<Path>, destination: impl AsRef<Path>) -> std::io::Result<()> {
+    fs::create_dir_all(&destination)?;
+    for entry in fs::read_dir(source)? {
+        let entry = entry?;
+        let filetype = entry.file_type()?;
+        if filetype.is_dir() {
+            copy_recursively(entry.path(), destination.as_ref().join(entry.file_name()))?;
+        } else {
+            fs::copy(entry.path(), destination.as_ref().join(entry.file_name()))?;
+        }
+    }
+    Ok(())
+}
+
 /// Warn the user that (de)compressing this .zip archive might freeze their system.
 fn warn_user_about_loading_zip_in_memory() {
     const ZIP_IN_MEMORY_LIMITATION_WARNING: &str = "\n\