diff --git a/src/app/puzzle/vpapplication.cpp b/src/app/puzzle/vpapplication.cpp
index e2f5b36e3..d25396fc7 100644
--- a/src/app/puzzle/vpapplication.cpp
+++ b/src/app/puzzle/vpapplication.cpp
@@ -33,12 +33,11 @@
 #include "../ifc/exception/vexceptionemptyparameter.h"
 #include "../ifc/exception/vexceptionobjecterror.h"
 #include "../ifc/exception/vexceptionwrongid.h"
-#include "../vganalytics/def.h"
 #include "../vganalytics/vganalytics.h"
+#include "../vmisc/projectversion.h"
 #include "../vmisc/qt_dispatch/qt_dispatch.h"
 #include "../vmisc/theme/vtheme.h"
 #include "../vmisc/vsysexits.h"
-#include "version.h"
 #include "vpmainwindow.h"
 #include "vpuzzleshortcutmanager.h"
 
@@ -159,29 +158,55 @@ inline void noisyFailureMsgHandler(QtMsgType type, const QMessageLogContext &con
         type = QtDebugMsg;
     }
 
-    switch (type)
     {
-        case QtDebugMsg:
-            vStdOut() << QApplication::translate("mNoisyHandler", "DEBUG:") << msg << "\n";
-            return;
-        case QtWarningMsg:
-            vStdErr() << QApplication::translate("mNoisyHandler", "WARNING:") << msg << "\n";
-            break;
-        case QtCriticalMsg:
-            vStdErr() << QApplication::translate("mNoisyHandler", "CRITICAL:") << msg << "\n";
-            break;
-        case QtFatalMsg:
-            vStdErr() << QApplication::translate("mNoisyHandler", "FATAL:") << msg << "\n";
-            break;
-        case QtInfoMsg:
-            vStdOut() << QApplication::translate("mNoisyHandler", "INFO:") << msg << "\n";
-            break;
-        default:
-            break;
-    }
+        QString debugdate = "["_L1 + QDateTime::currentDateTime().toString(QStringLiteral("yyyy.MM.dd hh:mm:ss"));
 
-    vStdOut().flush();
-    vStdErr().flush();
+        switch (type)
+        {
+            case QtDebugMsg:
+                debugdate += QStringLiteral(":DEBUG:%1(%2)] %3: %4: %5")
+                                 .arg(context.file)
+                                 .arg(context.line)
+                                 .arg(context.function, context.category, msg);
+                vStdOut() << QApplication::translate("mNoisyHandler", "DEBUG:") << msg << "\n";
+                break;
+            case QtWarningMsg:
+                debugdate += QStringLiteral(":WARNING:%1(%2)] %3: %4: %5")
+                                 .arg(context.file)
+                                 .arg(context.line)
+                                 .arg(context.function, context.category, msg);
+                vStdErr() << QApplication::translate("mNoisyHandler", "WARNING:") << msg << "\n";
+                break;
+            case QtCriticalMsg:
+                debugdate += QStringLiteral(":CRITICAL:%1(%2)] %3: %4: %5")
+                                 .arg(context.file)
+                                 .arg(context.line)
+                                 .arg(context.function, context.category, msg);
+                vStdErr() << QApplication::translate("mNoisyHandler", "CRITICAL:") << msg << "\n";
+                break;
+            case QtFatalMsg:
+                debugdate += QStringLiteral(":FATAL:%1(%2)] %3: %4: %5")
+                                 .arg(context.file)
+                                 .arg(context.line)
+                                 .arg(context.function, context.category, msg);
+                vStdErr() << QApplication::translate("mNoisyHandler", "FATAL:") << msg << "\n";
+                break;
+            case QtInfoMsg:
+                debugdate += QStringLiteral(":INFO:%1(%2)] %3: %4: %5")
+                                 .arg(context.file)
+                                 .arg(context.line)
+                                 .arg(context.function, context.category, msg);
+                vStdOut() << QApplication::translate("mNoisyHandler", "INFO:") << msg << "\n";
+                break;
+            default:
+                break;
+        }
+
+        vStdOut().flush();
+        vStdErr().flush();
+
+        (*VPApplication::VApp()->LogFile()) << debugdate << Qt::endl;
+    }
 
     if (isGuiThread)
     {
@@ -209,8 +234,6 @@ inline void noisyFailureMsgHandler(QtMsgType type, const QMessageLogContext &con
                 messageBox.setIcon(QMessageBox::Information);
                 break;
             case QtDebugMsg:
-                Q_UNREACHABLE(); //-V501
-                break;
             default:
                 break;
         }
@@ -405,10 +428,10 @@ auto VPApplication::NewMainWindow(const VPCommandLinePtr &cmd) -> VPMainWindow *
 //---------------------------------------------------------------------------------------------------------------------
 void VPApplication::InitOptions()
 {
-    qInstallMessageHandler(noisyFailureMsgHandler);
-
     OpenSettings();
 
+    StartLogging();
+
     qCDebug(pApp, "Version: %s", qUtf8Printable(AppVersionStr()));
     qCDebug(pApp, "Build revision: %s", BUILD_REVISION);
     qCDebug(pApp, "%s", qUtf8Printable(buildCompatibilityString()));
@@ -443,6 +466,22 @@ void VPApplication::InitOptions()
     m_shortcutManager = new VPuzzleShortcutManager(this);
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VPApplication::StartLogging()
+{
+    if (CreateLogDir())
+    {
+        BeginLogging();
+        ClearOldLogs();
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+auto VPApplication::LogFile() -> QTextStream *
+{
+    return m_out.get();
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 auto VPApplication::TrVars() -> const VTranslateVars *
 {
@@ -723,6 +762,38 @@ auto VPApplication::SingleStart(const VPCommandLinePtr &cmd, const QStringList &
     return true;
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+auto VPApplication::LogPath() -> QString
+{
+    // Keep in sync with VCrashPaths::GetAttachmentPath
+    return QStringLiteral("%1/puzzle-pid%2.log").arg(LogDirPath()).arg(applicationPid());
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VPApplication::BeginLogging()
+{
+    VlpCreateLock(m_lockLog, LogPath(), []() { return new QFile(LogPath()); });
+
+    if (m_lockLog->IsLocked())
+    {
+        if (m_lockLog->GetProtected()->open(QIODevice::WriteOnly | QIODevice::Truncate | QIODevice::Text))
+        {
+            m_out.reset(new QTextStream(m_lockLog->GetProtected().data()));
+            qInstallMessageHandler(noisyFailureMsgHandler);
+            qCDebug(pApp, "Log file %s was locked.", qUtf8Printable(LogPath()));
+        }
+        else
+        {
+            qCDebug(pApp, "Error opening log file \'%s\'. All debug output redirected to console.",
+                    qUtf8Printable(LogPath()));
+        }
+    }
+    else
+    {
+        qCDebug(pApp, "Failed to lock %s", qUtf8Printable(LogPath()));
+    }
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 auto VPApplication::CommandLine() -> VPCommandLinePtr
 {
diff --git a/src/app/puzzle/vpapplication.h b/src/app/puzzle/vpapplication.h
index 92c8b5164..924606dab 100644
--- a/src/app/puzzle/vpapplication.h
+++ b/src/app/puzzle/vpapplication.h
@@ -30,6 +30,7 @@
 
 #include "../vmisc/def.h"
 #include "../vmisc/vabstractapplication.h"
+#include "../vmisc/vlockguard.h"
 #include "vpcommandline.h"
 #include "vpsettings.h"
 
@@ -62,6 +63,9 @@ public:
 
     void InitOptions();
 
+    void StartLogging();
+    auto LogFile() -> QTextStream *;
+
     auto TrVars() -> const VTranslateVars * override;
 
     void OpenSettings() override;
@@ -95,6 +99,8 @@ private:
     QList<QPointer<VPMainWindow>> m_mainWindows{};
     QLocalServer *m_localServer{nullptr};
     QWeakPointer<DialogPuzzlePreferences> m_preferencesDialog{};
+    QSharedPointer<VLockGuard<QFile>> m_lockLog{};
+    std::shared_ptr<QTextStream> m_out{nullptr};
 
     void Clean();
 
@@ -102,6 +108,9 @@ private:
 
     auto StartWithFiles(const VPCommandLinePtr &cmd, const QStringList &rawLayouts) -> bool;
     auto SingleStart(const VPCommandLinePtr &cmd, const QStringList &rawLayouts) -> bool;
+
+    static auto LogPath() -> QString;
+    void BeginLogging();
 };
 
 #endif // VPAPPLICATION_H
diff --git a/src/app/tape/mapplication.cpp b/src/app/tape/mapplication.cpp
index 0c4ac7bd3..4e0f89146 100644
--- a/src/app/tape/mapplication.cpp
+++ b/src/app/tape/mapplication.cpp
@@ -35,7 +35,6 @@
 #include "../ifc/exception/vexceptionwrongid.h"
 #include "../qmuparser/qmuparsererror.h"
 #include "../vformat/knownmeasurements/vknownmeasurementsdatabase.h"
-#include "../vganalytics/def.h"
 #include "../vganalytics/vganalytics.h"
 #include "../vmisc/projectversion.h"
 #include "../vmisc/qt_dispatch/qt_dispatch.h"
@@ -66,7 +65,6 @@
 #include <QThread>
 #include <QTranslator>
 #include <QUuid>
-#include <iostream>
 
 #if !defined(BUILD_REVISION) && defined(QBS_BUILD)
 #include <QEvent>
@@ -197,29 +195,55 @@ inline void noisyFailureMsgHandler(QtMsgType type, const QMessageLogContext &con
         logMsg = logMsg.remove(VAbstractApplication::warningMessageSignature);
     }
 
-    switch (type)
     {
-        case QtDebugMsg:
-            vStdOut() << QApplication::translate("mNoisyHandler", "DEBUG:") << logMsg << "\n";
-            return;
-        case QtWarningMsg:
-            vStdErr() << QApplication::translate("mNoisyHandler", "WARNING:") << logMsg << "\n";
-            break;
-        case QtCriticalMsg:
-            vStdErr() << QApplication::translate("mNoisyHandler", "CRITICAL:") << logMsg << "\n";
-            break;
-        case QtFatalMsg:
-            vStdErr() << QApplication::translate("mNoisyHandler", "FATAL:") << logMsg << "\n";
-            break;
-        case QtInfoMsg:
-            vStdOut() << QApplication::translate("mNoisyHandler", "INFO:") << logMsg << "\n";
-            break;
-        default:
-            break;
-    }
+        QString debugdate = "["_L1 + QDateTime::currentDateTime().toString(QStringLiteral("yyyy.MM.dd hh:mm:ss"));
 
-    vStdOut().flush();
-    vStdErr().flush();
+        switch (type)
+        {
+            case QtDebugMsg:
+                debugdate += QStringLiteral(":DEBUG:%1(%2)] %3: %4: %5")
+                                 .arg(context.file)
+                                 .arg(context.line)
+                                 .arg(context.function, context.category, logMsg);
+                vStdOut() << QApplication::translate("mNoisyHandler", "DEBUG:") << logMsg << "\n";
+                break;
+            case QtWarningMsg:
+                debugdate += QStringLiteral(":WARNING:%1(%2)] %3: %4: %5")
+                                 .arg(context.file)
+                                 .arg(context.line)
+                                 .arg(context.function, context.category, logMsg);
+                vStdErr() << QApplication::translate("mNoisyHandler", "WARNING:") << logMsg << "\n";
+                break;
+            case QtCriticalMsg:
+                debugdate += QStringLiteral(":CRITICAL:%1(%2)] %3: %4: %5")
+                                 .arg(context.file)
+                                 .arg(context.line)
+                                 .arg(context.function, context.category, logMsg);
+                vStdErr() << QApplication::translate("mNoisyHandler", "CRITICAL:") << logMsg << "\n";
+                break;
+            case QtFatalMsg:
+                debugdate += QStringLiteral(":FATAL:%1(%2)] %3: %4: %5")
+                                 .arg(context.file)
+                                 .arg(context.line)
+                                 .arg(context.function, context.category, logMsg);
+                vStdErr() << QApplication::translate("mNoisyHandler", "FATAL:") << logMsg << "\n";
+                break;
+            case QtInfoMsg:
+                debugdate += QStringLiteral(":INFO:%1(%2)] %3: %4: %5")
+                                 .arg(context.file)
+                                 .arg(context.line)
+                                 .arg(context.function, context.category, logMsg);
+                vStdOut() << QApplication::translate("mNoisyHandler", "INFO:") << logMsg << "\n";
+                break;
+            default:
+                break;
+        }
+
+        vStdOut().flush();
+        vStdErr().flush();
+
+        (*MApplication::VApp()->LogFile()) << debugdate << Qt::endl;
+    }
 
     if (isGuiThread)
     {
@@ -247,8 +271,6 @@ inline void noisyFailureMsgHandler(QtMsgType type, const QMessageLogContext &con
                 messageBox.setIcon(QMessageBox::Information);
                 break;
             case QtDebugMsg:
-                Q_UNREACHABLE(); //-V501
-                break;
             default:
                 break;
         }
@@ -450,10 +472,10 @@ auto MApplication::MainTapeWindows() -> QList<TMainWindow *>
 //---------------------------------------------------------------------------------------------------------------------
 void MApplication::InitOptions()
 {
-    qInstallMessageHandler(noisyFailureMsgHandler);
-
     OpenSettings();
 
+    StartLogging();
+
     qCDebug(mApp, "Version: %s", qUtf8Printable(AppVersionStr()));
     qCDebug(mApp, "Build revision: %s", BUILD_REVISION);
     qCDebug(mApp, "%s", qUtf8Printable(buildCompatibilityString()));
@@ -484,6 +506,22 @@ void MApplication::InitOptions()
     m_shortcutManager = new VTapeShortcutManager(this);
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void MApplication::StartLogging()
+{
+    if (CreateLogDir())
+    {
+        BeginLogging();
+        ClearOldLogs();
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+auto MApplication::LogFile() -> QTextStream *
+{
+    return m_out.get();
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 void MApplication::InitTrVars()
 {
@@ -722,6 +760,38 @@ void MApplication::RestartKnownMeasurementsDatabaseWatcher()
     }
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+auto MApplication::LogPath() -> QString
+{
+    // Keep in sync with VCrashPaths::GetAttachmentPath
+    return QStringLiteral("%1/tape-pid%2.log").arg(LogDirPath()).arg(applicationPid());
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void MApplication::BeginLogging()
+{
+    VlpCreateLock(m_lockLog, LogPath(), []() { return new QFile(LogPath()); });
+
+    if (m_lockLog->IsLocked())
+    {
+        if (m_lockLog->GetProtected()->open(QIODevice::WriteOnly | QIODevice::Truncate | QIODevice::Text))
+        {
+            m_out.reset(new QTextStream(m_lockLog->GetProtected().data()));
+            qInstallMessageHandler(noisyFailureMsgHandler);
+            qCDebug(mApp, "Log file %s was locked.", qUtf8Printable(LogPath()));
+        }
+        else
+        {
+            qCDebug(mApp, "Error opening log file \'%s\'. All debug output redirected to console.",
+                    qUtf8Printable(LogPath()));
+        }
+    }
+    else
+    {
+        qCDebug(mApp, "Failed to lock %s", qUtf8Printable(LogPath()));
+    }
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 auto MApplication::NewMainTapeWindow() -> TMainWindow *
 {
diff --git a/src/app/tape/mapplication.h b/src/app/tape/mapplication.h
index 276fe4e2c..a98f32869 100644
--- a/src/app/tape/mapplication.h
+++ b/src/app/tape/mapplication.h
@@ -30,6 +30,7 @@
 #define MAPPLICATION_H
 
 #include "../vmisc/vabstractapplication.h"
+#include "../vmisc/vlockguard.h"
 #include "../vpatterndb/vtranslatevars.h"
 #include "dialogs/dialogmdatabase.h"
 #include "vtapesettings.h"
@@ -71,6 +72,9 @@ public:
 
     void InitOptions();
 
+    void StartLogging();
+    auto LogFile() -> QTextStream *;
+
     auto TrVars() -> const VTranslateVars * override;
 
     void OpenSettings() override;
@@ -113,6 +117,8 @@ private:
     VKnownMeasurementsDatabase *m_knownMeasurementsDatabase{nullptr};
     QFileSystemWatcher *m_knownMeasurementsDatabaseWatcher{nullptr};
     QFutureWatcher<void> *m_knownMeasurementsRepopulateWatcher;
+    QSharedPointer<VLockGuard<QFile>> m_lockLog{};
+    std::shared_ptr<QTextStream> m_out{nullptr};
 
     void CleanTapeWindows();
     void CleanKMWindows();
@@ -131,6 +137,9 @@ private:
     static void ParseUnitsOption(QCommandLineParser &parser, Unit &unit, bool &flagUnits);
 
     void RestartKnownMeasurementsDatabaseWatcher();
+
+    static auto LogPath() -> QString;
+    void BeginLogging();
 };
 
 //---------------------------------------------------------------------------------------------------------------------
diff --git a/src/app/valentina/core/vapplication.cpp b/src/app/valentina/core/vapplication.cpp
index 1dc9c6695..e6cb7797d 100644
--- a/src/app/valentina/core/vapplication.cpp
+++ b/src/app/valentina/core/vapplication.cpp
@@ -224,7 +224,7 @@ inline void noisyFailureMsgHandler(QtMsgType type, const QMessageLogContext &con
     }
 
     {
-        QString debugdate = "[" + QDateTime::currentDateTime().toString(QStringLiteral("yyyy.MM.dd hh:mm:ss"));
+        QString debugdate = "["_L1 + QDateTime::currentDateTime().toString(QStringLiteral("yyyy.MM.dd hh:mm:ss"));
 
         switch (type)
         {
@@ -572,7 +572,6 @@ void VApplication::InitOptions()
 {
     OpenSettings();
 
-    // Run creation log after sending crash report
     StartLogging();
 
     qDebug() << "Version:" << AppVersionStr();