diff --git a/czkawka_core/src/broken_files.rs b/czkawka_core/src/broken_files.rs
index 184f955..8e3e348 100644
--- a/czkawka_core/src/broken_files.rs
+++ b/czkawka_core/src/broken_files.rs
@@ -13,7 +13,7 @@ use crate::common_traits::*;
 use crossbeam_channel::Receiver;
 use directories_next::ProjectDirs;
 use rayon::prelude::*;
-use std::collections::HashMap;
+use std::collections::BTreeMap;
 use std::io::{BufReader, BufWriter};
 use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
 use std::sync::Arc;
@@ -70,7 +70,7 @@ impl Info {
 pub struct BrokenFiles {
     text_messages: Messages,
     information: Info,
-    files_to_check: HashMap<String, FileEntry>,
+    files_to_check: BTreeMap<String, FileEntry>,
     broken_files: Vec<FileEntry>,
     directories: Directories,
     allowed_extensions: Extensions,
@@ -305,8 +305,8 @@ impl BrokenFiles {
 
         let loaded_hash_map;
 
-        let mut records_already_cached: HashMap<String, FileEntry> = Default::default();
-        let mut non_cached_files_to_check: HashMap<String, FileEntry> = Default::default();
+        let mut records_already_cached: BTreeMap<String, FileEntry> = Default::default();
+        let mut non_cached_files_to_check: BTreeMap<String, FileEntry> = Default::default();
 
         if self.use_cache {
             loaded_hash_map = match load_cache_from_file(&mut self.text_messages) {
@@ -444,7 +444,7 @@ impl BrokenFiles {
 
         if self.use_cache {
             // Must save all results to file, old loaded from file with all currently counted results
-            let mut all_results: HashMap<String, FileEntry> = self.files_to_check.clone();
+            let mut all_results: BTreeMap<String, FileEntry> = self.files_to_check.clone();
 
             for file_entry in vec_file_entry {
                 all_results.insert(file_entry.path.to_string_lossy().to_string(), file_entry);
@@ -573,7 +573,7 @@ impl PrintResults for BrokenFiles {
     }
 }
 
-fn save_cache_to_file(hashmap_file_entry: &HashMap<String, FileEntry>, text_messages: &mut Messages) {
+fn save_cache_to_file(hashmap_file_entry: &BTreeMap<String, FileEntry>, text_messages: &mut Messages) {
     if let Some(proj_dirs) = ProjectDirs::from("pl", "Qarmin", "Czkawka") {
         // Lin: /home/username/.cache/czkawka
         // Win: C:\Users\Username\AppData\Local\Qarmin\Czkawka\cache
@@ -613,7 +613,7 @@ fn save_cache_to_file(hashmap_file_entry: &HashMap<String, FileEntry>, text_mess
     }
 }
 
-fn load_cache_from_file(text_messages: &mut Messages) -> Option<HashMap<String, FileEntry>> {
+fn load_cache_from_file(text_messages: &mut Messages) -> Option<BTreeMap<String, FileEntry>> {
     if let Some(proj_dirs) = ProjectDirs::from("pl", "Qarmin", "Czkawka") {
         let cache_dir = PathBuf::from(proj_dirs.cache_dir());
         let cache_file = cache_dir.join(CACHE_FILE_NAME);
@@ -627,7 +627,7 @@ fn load_cache_from_file(text_messages: &mut Messages) -> Option<HashMap<String,
 
         let reader = BufReader::new(file_handler);
 
-        let mut hashmap_loaded_entries: HashMap<String, FileEntry> = Default::default();
+        let mut hashmap_loaded_entries: BTreeMap<String, FileEntry> = Default::default();
 
         // Read the file line by line using the lines() iterator from std::io::BufRead.
         for (index, line) in reader.lines().enumerate() {
diff --git a/czkawka_core/src/duplicate.rs b/czkawka_core/src/duplicate.rs
index 672db24..a642543 100644
--- a/czkawka_core/src/duplicate.rs
+++ b/czkawka_core/src/duplicate.rs
@@ -1,8 +1,8 @@
 use crossbeam_channel::Receiver;
 use humansize::{file_size_opts as options, FileSize};
+use std::collections::BTreeMap;
 #[cfg(target_family = "unix")]
 use std::collections::HashSet;
-use std::collections::{BTreeMap, HashMap};
 use std::fs::{File, Metadata, OpenOptions};
 use std::io::prelude::*;
 use std::io::{self, Error, ErrorKind};
@@ -684,11 +684,11 @@ impl DuplicateFinder {
         //// PROGRESS THREAD END
 
         #[allow(clippy::type_complexity)]
-        let pre_hash_results: Vec<(u64, HashMap<String, Vec<FileEntry>>, Vec<String>, u64)> = self
+        let pre_hash_results: Vec<(u64, BTreeMap<String, Vec<FileEntry>>, Vec<String>, u64)> = self
             .files_with_identical_size
             .par_iter()
             .map(|(size, vec_file_entry)| {
-                let mut hashmap_with_hash: HashMap<String, Vec<FileEntry>> = Default::default();
+                let mut hashmap_with_hash: BTreeMap<String, Vec<FileEntry>> = Default::default();
                 let mut errors: Vec<String> = Vec::new();
                 let mut bytes_read: u64 = 0;
                 let mut buffer = [0u8; 1024 * 2];
@@ -774,14 +774,14 @@ impl DuplicateFinder {
         //// PROGRESS THREAD END
 
         #[allow(clippy::type_complexity)]
-        let mut full_hash_results: Vec<(u64, HashMap<String, Vec<FileEntry>>, Vec<String>, u64)>;
+        let mut full_hash_results: Vec<(u64, BTreeMap<String, Vec<FileEntry>>, Vec<String>, u64)>;
 
         match self.check_method {
             CheckingMethod::HashMb => {
                 full_hash_results = pre_checked_map
                     .par_iter()
                     .map(|(size, vec_file_entry)| {
-                        let mut hashmap_with_hash: HashMap<String, Vec<FileEntry>> = Default::default();
+                        let mut hashmap_with_hash: BTreeMap<String, Vec<FileEntry>> = Default::default();
                         let mut errors: Vec<String> = Vec::new();
                         let mut bytes_read: u64 = 0;
                         let mut buffer = [0u8; 1024 * 128];
@@ -852,7 +852,7 @@ impl DuplicateFinder {
                 full_hash_results = non_cached_files_to_check
                     .par_iter()
                     .map(|(size, vec_file_entry)| {
-                        let mut hashmap_with_hash: HashMap<String, Vec<FileEntry>> = Default::default();
+                        let mut hashmap_with_hash: BTreeMap<String, Vec<FileEntry>> = Default::default();
                         let mut errors: Vec<String> = Vec::new();
                         let mut bytes_read: u64 = 0;
                         let mut buffer = [0u8; 1024 * 128];
@@ -893,7 +893,7 @@ impl DuplicateFinder {
                             }
                         }
                         // Size doesn't exists add results to files
-                        let mut temp_hashmap: HashMap<String, Vec<FileEntry>> = Default::default();
+                        let mut temp_hashmap: BTreeMap<String, Vec<FileEntry>> = Default::default();
                         for file_entry in vec_file_entry {
                             temp_hashmap.entry(file_entry.hash.clone()).or_insert_with(Vec::new);
                             temp_hashmap.get_mut(&file_entry.hash).unwrap().push(file_entry);
@@ -902,7 +902,7 @@ impl DuplicateFinder {
                     }
 
                     // Must save all results to file, old loaded from file with all currently counted results
-                    let mut all_results: HashMap<String, FileEntry> = Default::default();
+                    let mut all_results: BTreeMap<String, FileEntry> = Default::default();
                     for (_size, vec_file_entry) in loaded_hash_map {
                         for file_entry in vec_file_entry {
                             all_results.insert(file_entry.path.to_string_lossy().to_string(), file_entry);
@@ -1334,7 +1334,7 @@ pub fn make_hard_link(src: &Path, dst: &Path) -> io::Result<()> {
     result
 }
 
-fn save_hashes_to_file(hashmap: &HashMap<String, FileEntry>, text_messages: &mut Messages, type_of_hash: &HashType, minimal_cache_file_size: u64) {
+fn save_hashes_to_file(hashmap: &BTreeMap<String, FileEntry>, text_messages: &mut Messages, type_of_hash: &HashType, minimal_cache_file_size: u64) {
     if let Some(proj_dirs) = ProjectDirs::from("pl", "Qarmin", "Czkawka") {
         let cache_dir = PathBuf::from(proj_dirs.cache_dir());
         if cache_dir.exists() {
diff --git a/czkawka_core/src/same_music.rs b/czkawka_core/src/same_music.rs
index 82f8ab7..2f0ab5a 100644
--- a/czkawka_core/src/same_music.rs
+++ b/czkawka_core/src/same_music.rs
@@ -12,7 +12,7 @@ use crate::common_traits::*;
 use audiotags::Tag;
 use crossbeam_channel::Receiver;
 use rayon::prelude::*;
-use std::collections::HashMap;
+use std::collections::BTreeMap;
 use std::io::BufWriter;
 use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
 use std::sync::Arc;
@@ -457,7 +457,7 @@ impl SameMusic {
                     progress_thread_handle.join().unwrap();
                     return false;
                 }
-                let mut hash_map: HashMap<String, Vec<FileEntry>> = Default::default();
+                let mut hash_map: BTreeMap<String, Vec<FileEntry>> = Default::default();
                 for file_entry in vec_file_entry {
                     let title = file_entry.title.to_lowercase().trim().to_string();
                     if !title.is_empty() {
@@ -484,7 +484,7 @@ impl SameMusic {
                     progress_thread_handle.join().unwrap();
                     return false;
                 }
-                let mut hash_map: HashMap<String, Vec<FileEntry>> = Default::default();
+                let mut hash_map: BTreeMap<String, Vec<FileEntry>> = Default::default();
                 for file_entry in vec_file_entry {
                     let artist = file_entry.artist.to_lowercase().trim().to_string();
                     if !artist.is_empty() {
@@ -511,7 +511,7 @@ impl SameMusic {
                     progress_thread_handle.join().unwrap();
                     return false;
                 }
-                let mut hash_map: HashMap<String, Vec<FileEntry>> = Default::default();
+                let mut hash_map: BTreeMap<String, Vec<FileEntry>> = Default::default();
                 for file_entry in vec_file_entry {
                     let album_title = file_entry.album_title.to_lowercase().trim().to_string();
                     if !album_title.is_empty() {
@@ -538,7 +538,7 @@ impl SameMusic {
                     progress_thread_handle.join().unwrap();
                     return false;
                 }
-                let mut hash_map: HashMap<String, Vec<FileEntry>> = Default::default();
+                let mut hash_map: BTreeMap<String, Vec<FileEntry>> = Default::default();
                 for file_entry in vec_file_entry {
                     let album_artist = file_entry.album_artist.to_lowercase().trim().to_string();
                     if !album_artist.is_empty() {
@@ -565,7 +565,7 @@ impl SameMusic {
                     progress_thread_handle.join().unwrap();
                     return false;
                 }
-                let mut hash_map: HashMap<i32, Vec<FileEntry>> = Default::default();
+                let mut hash_map: BTreeMap<i32, Vec<FileEntry>> = Default::default();
                 for file_entry in vec_file_entry {
                     let year = file_entry.year;
                     if year != 0 {
diff --git a/czkawka_core/src/similar_images.rs b/czkawka_core/src/similar_images.rs
index 242962a..bc6414f 100644
--- a/czkawka_core/src/similar_images.rs
+++ b/czkawka_core/src/similar_images.rs
@@ -10,7 +10,7 @@ use humansize::{file_size_opts as options, FileSize};
 use image::GenericImageView;
 use img_hash::HasherConfig;
 use rayon::prelude::*;
-use std::collections::HashMap;
+use std::collections::BTreeMap;
 use std::fs::OpenOptions;
 use std::fs::{File, Metadata};
 use std::io::Write;
@@ -75,10 +75,10 @@ pub struct SimilarImages {
     similar_vectors: Vec<Vec<FileEntry>>,
     recursive_search: bool,
     minimal_file_size: u64,
-    image_hashes: HashMap<Node, Vec<FileEntry>>, // Hashmap with image hashes and Vector with names of files
+    image_hashes: BTreeMap<Node, Vec<FileEntry>>, // Hashmap with image hashes and Vector with names of files
     stopped_search: bool,
     similarity: Similarity,
-    images_to_check: HashMap<String, FileEntry>,
+    images_to_check: BTreeMap<String, FileEntry>,
     use_cache: bool,
 }
 
@@ -329,8 +329,8 @@ impl SimilarImages {
 
         let loaded_hash_map;
 
-        let mut records_already_cached: HashMap<String, FileEntry> = Default::default();
-        let mut non_cached_files_to_check: HashMap<String, FileEntry> = Default::default();
+        let mut records_already_cached: BTreeMap<String, FileEntry> = Default::default();
+        let mut non_cached_files_to_check: BTreeMap<String, FileEntry> = Default::default();
 
         if self.use_cache {
             loaded_hash_map = match load_hashes_from_file(&mut self.text_messages) {
@@ -440,7 +440,7 @@ impl SimilarImages {
 
         if self.use_cache {
             // Must save all results to file, old loaded from file with all currently counted results
-            let mut all_results: HashMap<String, FileEntry> = loaded_hash_map;
+            let mut all_results: BTreeMap<String, FileEntry> = loaded_hash_map;
             for (file_entry, _hash) in vec_file_entry {
                 all_results.insert(file_entry.path.to_string_lossy().to_string(), file_entry);
             }
@@ -671,7 +671,7 @@ fn get_string_from_similarity(similarity: &Similarity) -> &str {
     }
 }
 
-fn save_hashes_to_file(hashmap: &HashMap<String, FileEntry>, text_messages: &mut Messages) {
+fn save_hashes_to_file(hashmap: &BTreeMap<String, FileEntry>, text_messages: &mut Messages) {
     if let Some(proj_dirs) = ProjectDirs::from("pl", "Qarmin", "Czkawka") {
         // Lin: /home/username/.cache/czkawka
         // Win: C:\Users\Username\AppData\Local\Qarmin\Czkawka\cache
@@ -714,7 +714,7 @@ fn save_hashes_to_file(hashmap: &HashMap<String, FileEntry>, text_messages: &mut
         }
     }
 }
-fn load_hashes_from_file(text_messages: &mut Messages) -> Option<HashMap<String, FileEntry>> {
+fn load_hashes_from_file(text_messages: &mut Messages) -> Option<BTreeMap<String, FileEntry>> {
     if let Some(proj_dirs) = ProjectDirs::from("pl", "Qarmin", "Czkawka") {
         let cache_dir = PathBuf::from(proj_dirs.cache_dir());
         let cache_file = cache_dir.join(CACHE_FILE_NAME);
@@ -728,7 +728,7 @@ fn load_hashes_from_file(text_messages: &mut Messages) -> Option<HashMap<String,
 
         let reader = BufReader::new(file_handler);
 
-        let mut hashmap_loaded_entries: HashMap<String, FileEntry> = Default::default();
+        let mut hashmap_loaded_entries: BTreeMap<String, FileEntry> = Default::default();
 
         // Read the file line by line using the lines() iterator from std::io::BufRead.
         for (index, line) in reader.lines().enumerate() {