diff --git a/Backup/20 ZIP komprese vytvoreneho fbk.py b/Backup/20 ZIP komprese vytvoreneho fbk.py
new file mode 100644
index 0000000..568722b
--- /dev/null
+++ b/Backup/20 ZIP komprese vytvoreneho fbk.py	
@@ -0,0 +1,23 @@
+from pathlib import Path
+import zipfile
+
+# =========================
+# CONFIG
+# =========================
+
+SRC = Path(r"D:\medicusbackup\MEDICUS_2026-01-24_17-07-44.fbk")
+DST = SRC.with_suffix(".zip")
+
+# =========================
+# ZIP MAX COMPRESSION
+# =========================
+
+with zipfile.ZipFile(
+    DST,
+    mode="w",
+    compression=zipfile.ZIP_DEFLATED,
+    compresslevel=9
+) as z:
+    z.write(SRC, arcname=SRC.name)
+
+print(f"ZIP created: {DST}")
diff --git a/Backup/21 ZIP komprese s prubehem.py b/Backup/21 ZIP komprese s prubehem.py
new file mode 100644
index 0000000..76e0954
--- /dev/null
+++ b/Backup/21 ZIP komprese s prubehem.py	
@@ -0,0 +1,39 @@
+from pathlib import Path
+import zipfile
+
+SRC = Path(r"D:\medicusbackup\MEDICUS_2026-01-24_17-07-44.fbk")
+DST = SRC.with_suffix(".zip")
+
+total = SRC.stat().st_size
+processed = 0
+chunk = 8 * 1024 * 1024  # 8 MB
+
+with zipfile.ZipFile(
+    DST,
+    "w",
+    compression=zipfile.ZIP_DEFLATED,
+    compresslevel=9,
+) as zf:
+
+    zi = zipfile.ZipInfo(SRC.name)
+    zi.compress_type = zipfile.ZIP_DEFLATED
+
+    # ⬇⬇⬇ DŮLEŽITÉ ⬇⬇⬇
+    with zf.open(zi, "w", force_zip64=True) as z:
+        with open(SRC, "rb") as f:
+            while True:
+                buf = f.read(chunk)
+                if not buf:
+                    break
+
+                z.write(buf)
+                processed += len(buf)
+
+                pct = processed * 100 / total
+                print(
+                    f"\rZIP: {pct:6.2f}%  ({processed//1024//1024} MB)",
+                    end="",
+                    flush=True,
+                )
+
+print("\nHotovo.")
diff --git a/Backup/22 3 komprese test.py b/Backup/22 3 komprese test.py
new file mode 100644
index 0000000..99e0938
--- /dev/null
+++ b/Backup/22 3 komprese test.py	
@@ -0,0 +1,141 @@
+import subprocess
+import time
+from pathlib import Path
+import zipfile
+import zstandard as zstd
+
+# ============================================================
+# CONFIG
+# ============================================================
+
+SRC = Path(r"D:\medicusbackup\MEDICUS_2026-01-24_17-07-44.fbk")
+BASE = SRC.with_suffix("")
+CHUNK = 8 * 1024 * 1024  # 8 MB
+
+SEVENZIP_EXE = r"c:\Program Files (x86)\7-Zip\7z.exe"
+
+ORIG_SIZE = SRC.stat().st_size
+
+
+# ============================================================
+# ZIP (ZIP64 + progress)
+# ============================================================
+
+def zip_test():
+    dst = BASE.with_suffix(".zip")
+    total = ORIG_SIZE
+    processed = 0
+
+    start = time.time()
+
+    with zipfile.ZipFile(
+        dst,
+        "w",
+        compression=zipfile.ZIP_DEFLATED,
+        compresslevel=9,
+    ) as zf:
+
+        zi = zipfile.ZipInfo(SRC.name)
+        zi.compress_type = zipfile.ZIP_DEFLATED
+
+        # ⬇⬇⬇ KLÍČOVÁ OPRAVA ⬇⬇⬇
+        with zf.open(zi, "w", force_zip64=True) as z:
+            with open(SRC, "rb") as f:
+                while buf := f.read(CHUNK):
+                    z.write(buf)
+                    processed += len(buf)
+                    print(
+                        f"\rZIP   {processed*100/total:6.2f}%",
+                        end="",
+                        flush=True,
+                    )
+
+    print()
+    return time.time() - start, dst.stat().st_size
+
+
+# ============================================================
+# 7Z (CLI + progress)
+# ============================================================
+
+def sevenzip_test():
+    dst = BASE.with_suffix(".7z")
+
+    start = time.time()
+
+    proc = subprocess.Popen(
+        [SEVENZIP_EXE, "a", "-t7z", "-mx=9", str(dst), str(SRC)],
+        stdout=subprocess.PIPE,
+        stderr=subprocess.STDOUT,
+        text=True,
+    )
+
+    for line in proc.stdout:
+        if "%" in line:
+            print(f"\r7Z    {line.strip():>6}", end="", flush=True)
+
+    proc.wait()
+    print()
+
+    return time.time() - start, dst.stat().st_size
+
+
+# ============================================================
+# ZSTD (stream + progress)
+# ============================================================
+
+def zstd_test():
+    dst = BASE.with_suffix(".zst")
+    total = ORIG_SIZE
+    processed = 0
+
+    cctx = zstd.ZstdCompressor(level=19)
+    start = time.time()
+
+    with open(SRC, "rb") as src, open(dst, "wb") as out:
+        with cctx.stream_writer(out) as compressor:
+            while buf := src.read(CHUNK):
+                compressor.write(buf)
+                processed += len(buf)
+                print(
+                    f"\rZSTD  {processed*100/total:6.2f}%",
+                    end="",
+                    flush=True,
+                )
+
+    print()
+    return time.time() - start, dst.stat().st_size
+
+
+# ============================================================
+# MAIN
+# ============================================================
+
+results = {}
+
+print("\n--- ZIP ---")
+t, s = zip_test()
+results["ZIP"] = (t, s)
+
+# print("\n--- 7Z ---")
+# t, s = sevenzip_test()
+# results["7Z"] = (t, s)
+#
+# print("\n--- ZSTD ---")
+# t, s = zstd_test()
+# results["ZSTD"] = (t, s)
+
+
+# ============================================================
+# SUMMARY
+# ============================================================
+
+print("\n=== SUMMARY ===")
+for name, (t, size) in results.items():
+    ratio = 100 * (1 - size / ORIG_SIZE)
+    print(
+        f"{name:5s}: "
+        f"{t:7.1f} s   "
+        f"{size/1024/1024:8.1f} MB   "
+        f"(-{ratio:5.1f} %)"
+    )
diff --git a/Backup/24 zip_fbk_and_notify.py b/Backup/24 zip_fbk_and_notify.py
new file mode 100644
index 0000000..b12f353
--- /dev/null
+++ b/Backup/24 zip_fbk_and_notify.py	
@@ -0,0 +1,161 @@
+import subprocess
+from pathlib import Path
+from datetime import datetime
+import zipfile
+import time
+import traceback
+
+from EmailMessagingGraph import send_mail
+
+# ============================================================
+# CONFIG
+# ============================================================
+
+GBAK = r"C:\Program Files\Firebird\Firebird_2_5_CGM\bin\gbak.exe"
+DB = r"localhost/3050:Z:\Medicus 3\data\MEDICUS.FDB"
+BACKUP_DIR = Path(r"D:\medicusbackup")
+
+FB_USER = "SYSDBA"
+FB_PASS = "masterkey"
+
+MAIL_TO = "vladimir.buzalka@buzalka.cz"
+
+CHUNK = 8 * 1024 * 1024  # 8 MB
+
+
+# ============================================================
+# MAIN
+# ============================================================
+
+def main():
+    BACKUP_DIR.mkdir(parents=True, exist_ok=True)
+
+    now = datetime.now()
+    ts = now.strftime("%Y-%m-%d_%H-%M-%S")
+
+    fbk = BACKUP_DIR / f"MEDICUS_{ts}.fbk"
+    zipf = fbk.with_suffix(".zip")
+    log = BACKUP_DIR / f"MEDICUS_{ts}.log"
+
+    report = []
+    report.append(f"Čas spuštění: {now}")
+    report.append(f"Databáze: {DB}")
+    report.append("")
+
+    try:
+        # ====================================================
+        # 1) GBAK
+        # ====================================================
+        t0 = time.time()
+
+        cmd = [
+            GBAK,
+            "-b",
+            "-user", FB_USER,
+            "-pas", FB_PASS,
+            DB,
+            str(fbk),
+            "-v",
+        ]
+
+        with open(log, "w", encoding="utf-8") as f:
+            subprocess.run(
+                cmd,
+                stdout=f,
+                stderr=subprocess.STDOUT,
+                check=True,
+            )
+
+        t_gbak = time.time() - t0
+        fbk_size = fbk.stat().st_size
+
+        report.append("GBAK záloha: OK")
+        report.append(f"FBK soubor: {fbk}")
+        report.append(f"Velikost FBK: {fbk_size/1024/1024:.1f} MB")
+        report.append(f"Čas GBAK: {t_gbak:.1f} s")
+        report.append("")
+
+        # ====================================================
+        # 2) ZIP
+        # ====================================================
+        t1 = time.time()
+        processed = 0
+
+        with zipfile.ZipFile(
+            zipf,
+            "w",
+            compression=zipfile.ZIP_DEFLATED,
+            compresslevel=9,
+        ) as zf:
+
+            zi = zipfile.ZipInfo(fbk.name)
+            zi.compress_type = zipfile.ZIP_DEFLATED
+
+            with zf.open(zi, "w", force_zip64=True) as z:
+                with open(fbk, "rb") as src:
+                    while buf := src.read(CHUNK):
+                        z.write(buf)
+                        processed += len(buf)
+                        pct = processed * 100 / fbk_size
+                        print(
+                            f"\rZIP: {pct:6.2f}% "
+                            f"({processed//1024//1024} MB)",
+                            end="",
+                            flush=True,
+                        )
+
+        print("\nZIP hotov.")
+
+        t_zip = time.time() - t1
+        zip_size = zipf.stat().st_size
+
+        report.append("ZIP komprese: OK")
+        report.append(f"ZIP soubor: {zipf}")
+        report.append(f"Velikost ZIP: {zip_size/1024/1024:.1f} MB")
+        report.append(
+            f"Kompresní poměr: "
+            f"{100 * (1 - zip_size / fbk_size):.1f} %"
+        )
+        report.append(f"Čas ZIP: {t_zip:.1f} s")
+        report.append("")
+
+        # ====================================================
+        # 3) DELETE FBK
+        # ====================================================
+        fbk.unlink()
+
+        report.append("FBK soubor byl po úspěšné kompresi smazán.")
+        report.append("")
+        report.append(f"LOG: {log}")
+
+        # ====================================================
+        # MAIL OK
+        # ====================================================
+        send_mail(
+            MAIL_TO,
+            "✅ MEDICUS – záloha + ZIP OK",
+            "\n".join(report),
+        )
+
+    except Exception:
+        err = traceback.format_exc()
+
+        send_mail(
+            MAIL_TO,
+            "❌ MEDICUS – chyba při záloze / ZIP",
+            f"""Při záloze MEDICUS došlo k chybě.
+
+Čas: {now}
+
+Chyba:
+{err}
+
+FBK (pokud existuje): {fbk}
+LOG: {log}
+""",
+        )
+        raise
+
+
+if __name__ == "__main__":
+    main()