(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.
Ausführbare Dateien
| Datei | Erklärung |
| *.bat | Batch-Script |
| *.com | Ausführbare Datei |
| *.cpl | Systemsteuerungsapp |
| *.gadget | Gadget-Datei |
| *.lnk | Verknüpfungsdatei |
| *.pif | Verknüpfungsdatei |
| *.xnk | Öffentliche-Ordner-Verknüpfung |
| *.chm | Kompilierte Hilfedatei |
| *.hlp | Hilfedatei |
| *.hta | HTML-Applikation |
| *.exe | Ausführbare Datei |
| *.dll | Dynamische Linkbibliothek |
| *.sys | Treiber- und Systemdatei |
| *.drv | Treiberdatei |
| *.ocx | OLE Control Extension |
| *.scr | Bildschirmschoner |
| *.elf | Ausführbare Linux-Datei |
| *.swf | Adobe Flash |
| *.class | Java Bytecode |
| *.dex | Android Executable |
| *.do?m | Word mit Makro |
| *.xl?m | Excel mit Makro |
| *.pp?m | Powerpoint mit Makro |
| *.potm | Powerpoint mit Makro |
| *.cmd | Script |
| *.js | Javascript |
| *.jse | Javascript |
| *.ps1 | Powershell Script |
| *.ps2 | Powershell Script |
| *.psc1 | Powershell Script |
| *.psc2 | Powershell Script |
| *.vb | Visual Basic |
| *.vba | Visual Basic for Applications |
| *.vbe | Visual Basic verschlüsselt |
| *.vbs | Visual Basic Script |
| *.ws | Windows Script Datei |
| *.wsc | Windows Script Component |
| *.wsf | Windows Script File |
| *.wsh | Windows Script Host Settings |
| *.app | Applikationsdatei |
| *.asp | Active Server Page |
| *.bin | Binärdatei |
| *.csc | Corel Script File |
| *.ov? | Overlay-Bibliothek |
| *.pci | Systemdatei |
| *.prc | Mobipocket |
| *.pwz | Powerpoint Wizard AddIn |
| *.shb | Shell scrap ObjectHandler |
| *.shs | Shell scrap |
| *.tlb | OLE-Bibliothek |
| *.vxd | Windows Virtual Device Driver |
| *.wiz | Word Wizard |
| *.ade | Access Project Extension (Microsoft) |
| *.adp | Access Project (Microsoft) |
| *.apk | Android Application Package |
| *.appcontent-ms | Microsoft Windows Application Content |
| *.application | ClickOnce Deployment Manifest File |
| *.appref-ms | ClickOnce Application Reference File |
| *.appx | Windows application package file |
| *.aspx | Active Server Page Extended |
| *.bas | BASIC Source Code |
| *.bgi | Borland Graphics Interface |
| *.cnt | Microsoft Help Workshop Application |
| *.csh | csh Script |
| *.diagcab | Microsoft Diagnostics Cabinet File |
| *.fxp | FoxPro Compiled Source (Microsoft) |
| *.grp | Microsoft Program Group |
| *.hpj | AppWizard Help project |
| *.htc | HTML Component File |
| *.its | Internet Document Set, Internet Translation |
| *.jar | Java Archive |
| *.jnlp | Java Network Launching Protocol |
| *.ksh | UNIX Shell Script |
| *.library-ms | Windows Library Description File format |
| *.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) |
| *.mav | Access View Shortcut (Microsoft) |
| *.maw | Access Data Access Page (Microsoft) |
| *.mda | Access Add-in (Microsoft), MDA Access 2 Workgroup (Microsoft) |
| *.mdt | Access Add-in Data (Microsoft) |
| *.mdz | Access Wizard Template (Microsoft) |
| *.msh | Microsoft Shell |
| *.msh1 | Microsoft Shell |
| *.msh2 | Microsoft Shell |
| *.mshxml | Microsoft Shell |
| *.msh1xml | Microsoft Shell |
| *.msh2xml | Microsoft Shell |
| *.msp | Windows Installer Update |
| *.mst | Windows SDK Setup Transform Script |
| *.msu | Windows Update File |
| *.pcd | Visual Test (Microsoft) |
| *.pl | Perl script |
| *.prg | Program File |
| *.ps1xml | Windows PowerShell |
| *.ps2xml | Windows PowerShell |
| *.psd1 | Windows PowerShell |
| *.psdm1 | Windows PowerShell |
| *.py | Python Script |
| *.pyc | Python Script |
| *.pyo | Python Script |
| *.pyw | Python Script |
| *.pyz | Python Script |
| *.pyzw | Python Script |
| *.scf | Windows Explorer Command |
| *.sct | Windows Script Component, Foxpro Screen (Microsoft) |
| *.settingcontent-ms | Windows Shortcut file |
| *.vbp | Visual Basic Project File |
| *.vsmacros | Visual Studio .NET Binary-based Macro Project (Microsoft) |
| *.wsb | Windows Sandbox File |
| *.xbap | Browser Applications |
| *.xll | Excel Addin |
Sonstige Dateien
| Datei | Erklärung |
| *.cer | Zertifikatsdatei |
| *.crt | Zertifikatsdatei |
| *.der | Zertifikatsdatei |
| *.ins | Interneteinstellungen |
| *.isp | Insternetprovidereinstellungen |
| *.msc | MMC-Steuerdatei |
| *.prf | Outlook-Profildatei |
| *.reg | Registry-Einstellungsdatei |
| *.mau | Media Attachmnet Unit |
| *.msi | Installationsarchiv |
| *.{* | CLSID |
| *.acm | Audio Compression Manager |
| *.arj | ARJ-Archiv |
| *.asd | AutoSave Datei |
| *.ax | Direct Show Filter |
| *.boo | Booasm-Archiv |
| *.bz2 | BZ2-Archiv |
| *.cab | CAB-Archiv |
| *.cnv | Grafik oder Konvertierungsdatei |
| *.do? | Word-datei |
| *.inf | INF-Datei |
| *.ini | Einstellungsdatei |
| *.lha | LHA-Archiv |
| *.lzh | LZH-Archiv |
| *.mdb | Access-Datei |
| *.mp3 | mp3-Sounddatei |
| *.mp4 | mp4-Sound- oder Videodatei |
| *.msg | Outlook-Emaildatei |
| *.mso | Outlook temporärer Anhang |
| *.obd | Microsoft Sammelmappe |
| *.obt | Microsoft Sammelmappentemplate |
| *.p?t | Powerpoint |
| *.pgm | Videodatei |
| *.pp? | Powerpoint |
| *.rar | RAR-archiv |
| *.rtf | RTF-Datei |
| *.svg | SVG-Bild |
| *.tar | TAR-archiv |
| *.td0 | Diskettenabbild |
| *.tgz | TGZ-Archiv |
| *.tsp | Sound- oder Bilddatei |
| *.tt6 | TT6-Datei |
| *.vsd | Visio |
| *.vwp | Spielebezug |
| *.wb? | Word Backup |
| *.wml | Wireless Markup Language |
| *.wpc | Wordperfect Character Mapping |
| *.xl? | Excel |
| *.zl? | Zlib-Archiv |
| *.asx | ASF Redirector File |
| *.cdxml | ChemDraw XM |
| *.img | Image |
| *.iso | Optical Disk Media File System |
| *.mcf | Media Container Format |
| *.mde | Access MDE Database File (Microsoft) |
| *.mdw | Access Workgroup Information (Microsoft) |
| *.mht | Web HTM |
| *.mhtml | Web HTM |
| *.ops | Office Profile Settings File |
| *.osd | Open Software Description |
| *.plg | Developer Studio Build Log |
| *.printerexport | Printer backup File |
| *.pssc | Windows PowerShell Session Configuration |
| *.pst | MS Exchange Address Book File, Outlook Personal Folder File (Microsoft) |
| *.search-ms | Microsoft Vista Saved Search file |
| *.theme | Desktop Theme File Settings |
| *.tmp | Temporary File/Folder |
| *.udl | Universal Data Link |
| *.url | Internet Location |
| *.vhd | Virtual Hard Disk |
| *.vhdx | Virtual Hard Disk Extended |
| *.vsw | Visio Workspace File (Microsoft) |
| *.webpnp | Internet Printing File |
| *.website | Pinned Site Shortcut from Internet Explorer |