(26.04.2026)
Die folgenden Dateien blockieren wir üblicherweise in von uns verwalteten Umgebungen. Neue Einträge aus der Liste der von Outlook blockierten Erweiterungen (Link) fügen wir regelmäßig hinzu. Die Blockierung erfolgt im Virenschutz über explizite Regeln. Die Erklärungen wurde z.T. aus dem verlinkten Dokument von Microsoft übernommen.
Ausführbare Dateien
| Datei | Erklärung |
| *.apk | Android Application Package |
| *.app | Applikationsdatei |
| *.appcontent-ms | Microsoft Windows Application Content |
| *.application | ClickOnce Deployment Manifest File |
| *.appref-ms | ClickOnce Application Reference File |
| *.appx | Windows application package file |
| *.bat | Batch-Script |
| *.bin | Binärdatei |
| *.chm | Kompilierte Hilfedatei |
| *.class | Java Bytecode |
| *.cmd | Script |
| *.cnt | Microsoft Help Workshop Application |
| *.com | Ausführbare Datei |
| *.cpl | Systemsteuerungsapp |
| *.csc | Corel Script File |
| *.csh | csh Script |
| *.dex | Android Executable |
| *.diagcab | Microsoft Diagnostics Cabinet File |
| *.dll | Dynamische Linkbibliothek |
| *.do?m | Word mit Makro |
| *.drv | Treiberdatei |
| *.elf | Ausführbare Linux-Datei |
| *.exe | Ausführbare Datei |
| *.fxp | FoxPro Compiled Source (Microsoft) |
| *.gadget | Gadget-Datei |
| *.grp | Microsoft Program Group |
| *.hlp | Hilfedatei |
| *.hpj | AppWizard Help project |
| *.hta | HTML-Applikation |
| *.jar | Java Archive |
| *.jnlp | Java Network Launching Protocol |
| *.js | Javascript |
| *.jse | Javascript |
| *.ksh | UNIX Shell Script |
| *.library-ms | Windows Library Description File format |
| *.lnk | Verknüpfungsdatei |
| *.mda | Access Add-in (Microsoft), MDA Access 2 Workgroup (Microsoft) |
| *.mdt | Access Add-in Data (Microsoft) |
| *.msh | Microsoft Shell |
| *.msh1 | Microsoft Shell |
| *.msh1xml | Microsoft Shell |
| *.msh2 | Microsoft Shell |
| *.msh2xml | Microsoft Shell |
| *.mshxml | Microsoft Shell |
| *.mst | Windows SDK Setup Transform Script |
| *.ocx | OLE Control Extension |
| *.ov? | Overlay-Bibliothek |
| *.pci | Systemdatei |
| *.pif | Verknüpfungsdatei |
| *.pl | Perl script |
| *.potm | Powerpoint mit Makro |
| *.pp?m | Powerpoint mit Makro |
| *.prg | Program File |
| *.ps1 | Powershell Script |
| *.ps1xml | Windows PowerShell |
| *.ps2 | Powershell Script |
| *.ps2xml | Windows PowerShell |
| *.psc1 | Powershell Script |
| *.psc2 | Powershell Script |
| *.psd1 | Windows PowerShell |
| *.psdm1 | Windows PowerShell |
| *.pssc | Windows PowerShell Session Configuration |
| *.pwz | Powerpoint Wizard AddIn |
| *.py | Python Script |
| *.pyc | Python Script |
| *.pyo | Python Script |
| *.pyw | Python Script |
| *.pyz | Python Script |
| *.pyzw | Python Script |
| *.scf | Windows Explorer Command |
| *.scr | Bildschirmschoner |
| *.sct | Windows Script Component, Foxpro Screen (Microsoft) |
| *.settingcontent-ms | Windows Shortcut file |
| *.shb | Shell scrap ObjectHandler |
| *.shs | Shell scrap |
| *.swf | Adobe Flash |
| *.sys | Treiber- und Systemdatei |
| *.tlb | OLE-Bibliothek |
| *.vba | Visual Basic for Applications |
| *.vbe | Visual Basic verschlüsselt |
| *.vbs | Visual Basic Script |
| *.vsmacros | Visual Studio .NET Binary-based Macro Project (Microsoft) |
| *.vxd | Windows Virtual Device Driver |
| *.wiz | Word Wizard |
| *.ws | Windows Script Datei |
| *.wsc | Windows Script Component |
| *.wsf | Windows Script File |
| *.wsh | Windows Script Host Settings |
| *.xbap | Browser Applications |
| *.xl?m | Excel mit Makro |
| *.xll | Excel Addin |
Potentiell gefährliche Dateien
| Datei | Erklärung |
| *.{* | CLSID |
| *.ade | Access Project Extension (Microsoft) |
| *.adp | Access Project (Microsoft) |
| *.asx | ASF Redirector File |
| *.ax | Direct Show Filter |
| *.bgi | Borland Graphics Interface |
| *.cer | Zertifikatsdatei |
| *.crt | Zertifikatsdatei |
| *.der | Zertifikatsdatei |
| *.do? | Word-datei |
| *.htc | HTML Component File |
| *.htm | Website-Datei |
| *.html | Website-Datei |
| *.htt | Website-Vorlage |
| *.inf | INF-Datei |
| *.ini | Einstellungsdatei |
| *.ins | Interneteinstellungen |
| *.isp | Insternetprovidereinstellungen |
| *.its | Internet Document Set, Internet Translation |
| *.mad | Access Module Shortcut (Microsoft) |
| *.maf | Access (Microsoft) |
| *.mag | Access Diagram Shortcut (Microsoft) |
| *.mam | Access Macro Shortcut (Microsoft) |
| *.maq | Access Query Shortcut (Microsoft) |
| *.mar | Access Report Shortcut (Microsoft) |
| *.mas | Access Stored Procedures (Microsoft) |
| *.mat | Access Table Shortcut (Microsoft) |
| *.mau | Media Attachmnet Unit |
| *.mav | Access View Shortcut (Microsoft) |
| *.maw | Access Data Access Page (Microsoft) |
| *.mht | Web HTM |
| *.mhtml | Web HTM |
| *.msc | MMC-Steuerdatei |
| *.msi | Installationsarchiv |
| *.msp | Windows Installer Update |
| *.msu | Windows Update File |
| *.ops | Office Profile Settings File |
| *.osd | Open Software Description |
| *.pcd | Visual Test (Microsoft) |
| *.prf | Outlook-Profildatei |
| *.reg | Registry-Einstellungsdatei |
| *.svg | SVG-Bild |
| *.theme | Desktop Theme File Settings |
| *.udl | Universal Data Link |
| *.url | Internet Location |
| *.vb | Visual Basic |
| *.wb? | Word Backup |
| *.webpnp | Internet Printing File |
| *.website | Pinned Site Shortcut from Internet Explorer |
| *.wsb | Windows Sandbox File |
| *.xnk | Öffentliche-Ordner-Verknüpfung |
Sonstige Dateien
| Datei | Erklärung |
| *.7z | 7zip-Archiv |
| *.accdb | Access-Datenbank |
| *.accde | Access-Datenbank |
| *.accdt | Access Datenbankvorlage |
| *.ace | ACE-Archiv |
| *.acm | Audio Compression Manager |
| *.arc | FreeArc-Archiv |
| *.arj | ARJ-Archiv |
| *.asd | AutoSave Datei |
| *.asf | Windows-Mediencontainer |
| *.asp | Active Server Page |
| *.aspx | Active Server Page Extended |
| *.bas | BASIC Source Code |
| *.boo | Booasm-Archiv |
| *.bz2 | BZ2-Archiv |
| *.cab | CAB-Archiv |
| *.cdxml | ChemDraw XM |
| *.cnv | Grafik oder Konvertierungsdatei |
| *.db | SQLite |
| *.eml | Email-Datei |
| *.gz | Gzip-Archiv |
| *.gzip | GZIP |
| *.img | Image |
| *.iso | Optical Disk Media File System |
| *.lha | LHA-Archiv |
| *.lite | SQLite |
| *.lzh | LZH-Archiv |
| *.mcf | Media Container Format |
| *.mdb | Access-Datei |
| *.mde | Access MDE Database File (Microsoft) |
| *.mdw | Access Workgroup Information (Microsoft) |
| *.mdz | Access Wizard Template (Microsoft) |
| *.mkv | Matrioshka Video |
| *.mp3 | mp3-Sounddatei |
| *.mp4 | mp4-Sound- oder Videodatei |
| *.mpp | MS Project |
| *.msg | Outlook-Emaildatei |
| *.mso | Outlook temporärer Anhang |
| *.obd | Microsoft Sammelmappe |
| *.obt | Microsoft Sammelmappentemplate |
| *.odb | OpenDocument-Datenbank |
| *.odf | OpenDocument-Formel |
| *.odg | OpenDocument-Grafik |
| *.oft | Outlook-Nachrichtenvorlage |
| *.ogg | Ogg Vorbis |
| *.one | OneNote-Datei |
| *.onepkg | OneNote-Paketdatei |
| *.p?t | Powerpoint |
| *.pgm | Videodatei |
| *.plg | Developer Studio Build Log |
| *.pp? | Powerpoint |
| *.prc | Mobipocket |
| *.printerexport | Printer backup File |
| *.pst | Outlook Persönlicher Ordner |
| *.rar | RAR-archiv |
| *.rm | RealMedia |
| *.rmvb | RealMedia |
| *.rtf | RTF-Datei |
| *.search-ms | Microsoft Vista Saved Search file |
| *.sqlite | SQLite |
| *.tar | TAR-archiv |
| *.td0 | Diskettenabbild |
| *.tgz | TGZ-Archiv |
| *.tmp | Temporary File/Folder |
| *.tsp | Sound- oder Bilddatei |
| *.tt6 | TT6-Datei |
| *.vbp | Visual Basic Project File |
| *.vdw | Visio |
| *.vhd | Virtual Hard Disk |
| *.vhdx | Virtual Hard Disk Extended |
| *.vsd | Visio |
| *.vsw | Visio Workspace File (Microsoft) |
| *.vwp | Spielebezug |
| *.wm | Windows-Media |
| *.wml | Wireless Markup Language |
| *.wmv | Windows Media Video |
| *.wpc | Wordperfect Character Mapping |
| *.wpd | WordPrefect Document |
| *.wps | Microsoft Works |
| *.xl? | Excel |
| *.xps | XML Paper Specification |
| *.zl? | Zlib-Archiv |