[{"data":1,"prerenderedAt":298},["ShallowReactive",2],{"doku:en:policy-appendix\u002Fhelp-outlk16-office-microsoft-policies-windows-l-level1removefilepolicy":3},{"seite":4,"start":44,"leiste":45,"bereich":297,"zurueck":297,"weiter":297},{"sprache":5,"rel":6,"zu":7,"id":8,"titel":9,"titelHtml":9,"beschreibung":10,"kennzeile":11,"imMenue":12,"html":13,"ueberschriften":14,"sprachen":34},"en","richtlinien-anhang\u002Fhilfe-outlk16-office-microsoft-policies-windows-l-level1removefilepolicy","\u002Fen\u002Fdocumentation\u002Fpolicy-appendix\u002Fhelp-outlk16-office-microsoft-policies-windows-l-level1removefilepolicy","referenz-hilfe-outlk16-office-microsoft-policies-windows-l-level1removefilepolicy","Remove file extensions blocked as Level 1","This string value (`REG_SZ`) specifies the file name extensions that classic Outlook no longer treats as Level 1 attachments.","since 0.9.8.11",false,"\u003Ch2 id=\"purpose\">Purpose\u003C\u002Fh2>\n\u003Cdetails class=\"doku-klappbox\">\u003Csummary>Show registry keys (1)\u003C\u002Fsummary>\u003Cdiv class=\"doku-klappbox-inhalt\">\n\u003Cul>\n\u003Cli>\u003Ccode>HKCU\\software\\policies\\microsoft\\office\\16.0\\outlook\\security\\fileextensionsremovelevel1\u003C\u002Fcode>\u003C\u002Fli>\n\u003C\u002Ful>\n\u003C\u002Fdiv>\u003C\u002Fdetails>\n\u003Cp>This string value (\u003Ccode>REG_SZ\u003C\u002Fcode>) specifies the file name extensions that classic Outlook no longer treats as Level 1 attachments. Multiple extensions are represented as a semicolon-separated list.\u003C\u002Fp>\n\u003Cp>The listed extensions are demoted from Level 1 to Level 2. The policy therefore does not make the affected attachments completely unrestricted: users can save a Level 2 attachment and then open it outside the message, but they cannot open it directly from the Outlook message.\u003C\u002Fp>\n\u003Cp>For Level 1 attachments, Outlook prevents actions including opening, saving, printing, or otherwise working with the attachment in Outlook. The attachment remains part of the message.\u003C\u002Fp>\n\u003Ch2 id=\"notes\">Notes\u003C\u002Fh2>\n\u003Ch3 id=\"security\">Security\u003C\u002Fh3>\n\u003Cp>This policy reduces the protection applied to file types that Outlook normally blocks at Level 1 because they might contain scripts, executable code, or other harmful content. Users can save affected attachments to disk and subsequently execute them or open them with an associated application.\u003C\u002Fp>\n\u003Cp>Level 2 classification does not validate a file's trustworthiness or inspect its actual content. It only requires the file to be saved before it is opened. The resulting risk therefore depends substantially on the extensions removed from Level 1 and the applications that process those files.\u003C\u002Fp>\n\u003Ch3 id=\"notes-1\">Notes\u003C\u002Fh3>\n\u003Cp>The value contains file name extensions, not complete file names or MIME types. Its name can be misleading: listed extensions are not necessarily made fully unrestricted; Microsoft documents the effect specifically as demotion from Level 1 to Level 2.\u003C\u002Fp>\n\u003Cp>This setting is one of Outlook's dependent Security Form Settings policies. Outlook Security Mode must select the Outlook Security Group Policy as its security-policy source for these Group Policy values to be applied.\u003C\u002Fp>\n\u003Cp>This ADMX-based policy applies to classic Outlook. New Outlook for Windows uses different, mailbox-based controls for attachment handling.\u003C\u002Fp>\n\u003Ch3 id=\"microsoft-documentation\">Microsoft documentation\u003C\u002Fh3>\n\u003Cp>\u003Ca href=\"https:\u002F\u002Flearn.microsoft.com\u002Fen-us\u002Fmicrosoft-365-apps\u002Foutlook\u002Femail-security\u002Femail-security-settings\">Microsoft Learn: Information for administrators about e-mail security settings in Outlook\u003C\u002Fa>\u003C\u002Fp>\n\u003Cp>\u003Ca href=\"https:\u002F\u002Flearn.microsoft.com\u002Fen-us\u002Fintune\u002Fdevice-security\u002Fsecurity-baselines\u002Fref-v2-office-settings\">Microsoft Learn: List of settings for the Microsoft 365 Apps for Enterprise security baseline in Intune\u003C\u002Fa>\u003C\u002Fp>\n\u003Cp>\u003Ca href=\"https:\u002F\u002Fsupport.microsoft.com\u002Fen-us\u002Foutlook\u002Foutlook-blocked-access-to-the-following-potentially-unsafe-attachments\">Microsoft Support: Outlook blocked access to the following potentially unsafe attachments\u003C\u002Fa>\u003C\u002Fp>\n\u003Cp>\u003Ca href=\"https:\u002F\u002Flearn.microsoft.com\u002Fen-us\u002Ftroubleshoot\u002Foutlook\u002Finstallation\u002Fmap-classic-outlook-policies-to-new-outlook\">Microsoft Learn: Map classic Outlook policies to new Outlook\u003C\u002Fa>\u003C\u002Fp>\n\u003Ch2 id=\"see-also\">See also\u003C\u002Fh2>\n\u003Cul>\n\u003Cli>\u003Ca href=\"\u002Fen\u002Fdocumentation\u002Fpolicy-appendix\u002Foffice-hardening#e-d9a3cb4e01\">Entry in the reference\u003C\u002Fa>\u003C\u002Fli>\n\u003C\u002Ful>\n",[15,19,22,26,28,31],{"ebene":16,"id":17,"text":18},2,"purpose","Purpose",{"ebene":16,"id":20,"text":21},"notes","Notes",{"ebene":23,"id":24,"text":25},3,"security","Security",{"ebene":23,"id":27,"text":21},"notes-1",{"ebene":23,"id":29,"text":30},"microsoft-documentation","Microsoft documentation",{"ebene":16,"id":32,"text":33},"see-also","See 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tasks","\u002Fen\u002Fdocumentation\u002Fwindows-appendix\u002Ftasks",{"rel":239,"titel":240,"zu":241},"windows-anhang\u002Fapps","App packages","\u002Fen\u002Fdocumentation\u002Fwindows-appendix\u002Fapps",{"titel":243,"pfad":38,"seiten":244},"Policy appendix",[245,249,253,257,261,265,269,273,277,281,285,289,293],{"rel":246,"titel":247,"zu":248},"richtlinien-anhang\u002Frichtlinien","Policy reference","\u002Fen\u002Fdocumentation\u002Fpolicy-appendix\u002Foverview",{"rel":250,"titel":251,"zu":252},"richtlinien-anhang\u002Frichtlinien-office-haertung","Office hardening","\u002Fen\u002Fdocumentation\u002Fpolicy-appendix\u002Foffice-hardening",{"rel":254,"titel":255,"zu":256},"richtlinien-anhang\u002Frichtlinien-edge-internet-explorer","Edge and Internet Explorer","\u002Fen\u002Fdocumentation\u002Fpolicy-appendix\u002Fedge-internet-explorer",{"rel":258,"titel":259,"zu":260},"richtlinien-anhang\u002Frichtlinien-virenschutz-angriffsflaechen","Virus protection and attack surface","\u002Fen\u002Fdocumentation\u002Fpolicy-appendix\u002Fantivirus-attack-surface",{"rel":262,"titel":263,"zu":264},"richtlinien-anhang\u002Frichtlinien-netzwerk-freigaben","Network and file sharing","\u002Fen\u002Fdocumentation\u002Fpolicy-appendix\u002Fnetwork-sharing",{"rel":266,"titel":267,"zu":268},"richtlinien-anhang\u002Frichtlinien-datenschutz-telemetrie","Privacy and telemetry","\u002Fen\u002Fdocumentation\u002Fpolicy-appendix\u002Fprivacy-telemetry",{"rel":270,"titel":271,"zu":272},"richtlinien-anhang\u002Frichtlinien-protokollierung-ueberwachung","Logging and auditing","\u002Fen\u002Fdocumentation\u002Fpolicy-appendix\u002Flogging-auditing",{"rel":274,"titel":275,"zu":276},"richtlinien-anhang\u002Frichtlinien-anmeldung-konten","Sign-in and accounts","\u002Fen\u002Fdocumentation\u002Fpolicy-appendix\u002Fsign-in-accounts",{"rel":278,"titel":279,"zu":280},"richtlinien-anhang\u002Frichtlinien-geraete-wechselmedien","Devices and removable media","\u002Fen\u002Fdocumentation\u002Fpolicy-appendix\u002Fdevices-removable-media",{"rel":282,"titel":283,"zu":284},"richtlinien-anhang\u002Frichtlinien-kernschutz","Kernel protection","\u002Fen\u002Fdocumentation\u002Fpolicy-appendix\u002Fkernel-protection",{"rel":286,"titel":287,"zu":288},"richtlinien-anhang\u002Frichtlinien-laufwerksverschluesselung","Drive encryption","\u002Fen\u002Fdocumentation\u002Fpolicy-appendix\u002Fdrive-encryption",{"rel":290,"titel":291,"zu":292},"richtlinien-anhang\u002Frichtlinien-windows-update","Windows Update","\u002Fen\u002Fdocumentation\u002Fpolicy-appendix\u002Fwindows-update",{"rel":294,"titel":295,"zu":296},"richtlinien-anhang\u002Frichtlinien-grundeinstellungen","Defaults and privacy settings","\u002Fen\u002Fdocumentation\u002Fpolicy-appendix\u002Fdefaults-privacy",null,1793974866640]