diff --git a/docs/user/common-issues.md b/docs/user/common-issues.md
index 0a6ae2a4..d6874680 100644
--- a/docs/user/common-issues.md
+++ b/docs/user/common-issues.md
@@ -39,3 +39,16 @@ You want to synchronize the folder `/foo/A`, but your sync root is `/home/bar/Op
    ```bash
    mv /foo/A /home/bar/OpenCloud/Personal/foo/A
    ```
+
+## Files with "~$" in the name will not be synchronized
+
+The OpenCloud Desktop Client does not synchronize files starting with `~$`, such as `~$document.docx`.  
+These files are temporary lock files created by Microsoft Office applications (Word, Excel, PowerPoint) while a document is open.
+
+<img src={require("./img/common-issues/desktop-excluded.png").default} alt="Show the ~$ file is excluded from synchronizing" width="500"/>
+
+They are not actual content files but serve as internal markers to prevent multiple users from editing the same document simultaneously.  
+Once the file is closed, the `~$` file is automatically removed by Office.
+
+For more details, see Microsoft’s explanation:  
+[Description of how Word creates temporary files](https://support.microsoft.com/en-us/topic/description-of-how-word-creates-temporary-files-66b112fb-d2c0-8f40-a0be-70a367cc4c85)
diff --git a/docs/user/img/common-issues/desktop-excluded.png b/docs/user/img/common-issues/desktop-excluded.png
new file mode 100644
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diff --git a/i18n/de/docusaurus-plugin-content-docs/current/user/common-issues.md b/i18n/de/docusaurus-plugin-content-docs/current/user/common-issues.md
index bc75d471..84fd4af0 100644
--- a/i18n/de/docusaurus-plugin-content-docs/current/user/common-issues.md
+++ b/i18n/de/docusaurus-plugin-content-docs/current/user/common-issues.md
@@ -39,3 +39,16 @@ Sie möchten den Ordner `/foo/A` synchronisieren, aber Ihr Sync-Root ist `/home/
    ```bash
    mv /foo/A /home/bar/OpenCloud/Personal/foo/A
    ```
+
+## Dateien mit "~$" im Namen werden nicht synchronisiert
+
+Der OpenCloud Desktop Client synchronisiert keine Dateien, die mit `~$` beginnen, wie z. B. `~$document.docx`.  
+Dabei handelt es sich um temporäre Sperrdateien, die von Microsoft Office-Anwendungen (Word, Excel, PowerPoint) erstellt werden, solange ein Dokument geöffnet ist.
+
+<img src={require("./img/common-issues/desktop-excluded.png").default} alt="Anzeige, dass ~$ Dateien von der Synchronisierung ausgeschlossen sind" width="500"/>
+
+Es sind keine eigentlichen Inhaltsdateien, sondern interne Marker, die verhindern sollen, dass mehrere Benutzer gleichzeitig dasselbe Dokument bearbeiten.  
+Sobald die Datei geschlossen wird, entfernt Office die `~$`-Datei automatisch.
+
+Weitere Informationen finden Sie in der Erklärung von Microsoft:  
+[Beschreibung, wie Word temporäre Dateien erstellt](https://support.microsoft.com/de-de/topic/description-of-how-word-creates-temporary-files-66b112fb-d2c0-8f40-a0be-70a367cc4c85)
diff --git a/i18n/de/docusaurus-plugin-content-docs/current/user/img/common-issues/desktop-excluded.png b/i18n/de/docusaurus-plugin-content-docs/current/user/img/common-issues/desktop-excluded.png
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