{"id":14406,"date":"2025-12-23T07:01:12","date_gmt":"2025-12-22T22:01:12","guid":{"rendered":"https:\/\/m365jp.net\/?p=14406"},"modified":"2025-12-23T07:07:08","modified_gmt":"2025-12-22T22:07:08","slug":"mc1202974-microsoft-outlook-customizable-oversharing-dialog-for-dlp-in-new-outlook","status":"publish","type":"post","link":"https:\/\/m365jp.net\/index.php\/2025-12-23-mc1202974-microsoft-outlook-customizable-oversharing-dialog-for-dlp-in-new-outlook","title":{"rendered":"MC1202974 | Microsoft Outlook: Customizable oversharing dialog for DLP in New Outlook"},"content":{"rendered":"<div class=\"postie-post\">\n<div>\n<hr>\n<table id=\"section\">\n<tbody>\n<tr>\n<th width=\"95%\">MC1202974 | Microsoft Outlook: Customizable oversharing dialog for DLP in New Outlook<\/th>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr>\n<table id=\"data\">\n<tbody>\n<tr>\n<th>Classification<\/th>\n<td>stayInformed<\/td>\n<\/tr>\n<tr>\n<th>Last Updated<\/th>\n<td>12\/22\/2025 21:43:56<\/td>\n<\/tr>\n<tr>\n<th>Start Time<\/th>\n<td>12\/22\/2025 21:43:49<\/td>\n<\/tr>\n<tr>\n<th>End Time<\/th>\n<td>03\/25\/2026 07:00:00<\/td>\n<\/tr>\n<tr>\n<th>Message Content<\/th>\n<td><b>[Introduction]<\/b>  <\/p>\n<p>New Outlook for Windows will now support the ability to show a customizable oversharing dialog for Data Loss Prevention (DLP). This enhancement allows organizations to tailor the experience for end users when oversharing is detected, improving clarity and   compliance.<\/p>\n<p>This message is associated with Microsoft 365 Roadmap ID <a href=\"https:\/\/www.microsoft.com\/microsoft-365\/roadmap?filters=&amp;searchterms=498921\" target=\"_blank\">  498921<\/a>.<\/p>\n<p>  <b>[When this will happen]<\/b>  <\/p>\n<p><b>General Availability (Worldwide):<\/b> Rollout begins in <b>early January 2026&nbsp;<\/b>and is expected to complete by<b> late January 2026<\/b>.  <\/p>\n<p><b>General Availability (GCC):<\/b> Rollout begins in <b>early February 2026&nbsp;<\/b>and is expected to complete by<b> late February 2026<\/b>.<\/p>\n<p>  <b>[How this affects your organization]<\/b>  <\/p>\n<ul>  <\/p>\n<li><b>Who is affected:<\/b> Admins managing DLP policies in New Outlook for Windows.<\/li>\n<p>  <\/p>\n<li><b>What will happen:<\/b><br \/> \n<ul>  <\/p>\n<li>New Outlook will display a customizable oversharing dialog when DLP rules are triggered.<\/li>\n<p>  <\/p>\n<li>Customization options include:<br \/> \n<ul>  <\/p>\n<li>Custom titles and body text with multi-language support (up to 10 languages).<\/li>\n<p>  <\/p>\n<li>Business justification options (up to 3 predefined + 1 optional free-text).<\/li>\n<p>  <\/p>\n<li>Dynamic tokens for matched recipients, sensitivity labels, and attachment filenames.<\/li>\n<p>  <\/p>\n<li>Text formatting (Bold, Italic, Underline, Line breaks).<\/li>\n<p>  <\/ul>\n<p>  <\/li>\n<p>  <\/p>\n<li>If this feature is already enabled in classic Outlook, it will work in New Outlook without additional action.<\/li>\n<p>  <\/p>\n<li>Feature is <b>OFF by default <\/b>unless configured by admins.<\/li>\n<p>  <\/ul>\n<p>  <\/li>\n<p>  <\/ul>\n<p>  <b>[What you can do to prepare]<\/b>  <\/p>\n<ul>  <\/p>\n<li>No action is required unless you want to enable this feature.<\/li>\n<p>  <\/p>\n<li>If enabling, configure settings in the Compliance portal under DLP policy tips.<\/li>\n<\/ul>\n<p>Learn more:&nbsp;<a href=\"https:\/\/learn.microsoft.com\/purview\/dlp-ol365-win32-policy-tips\" target=\"_blank\">Data loss prevention policy tip reference for Outlook for Microsoft 365 | Microsoft Purview | Microsoft Learn<\/a><\/p>\n<ul>  <\/ul>\n<p>  <b>[Compliance considerations]<\/b>  <\/p>\n<p>No compliance considerations identified. Review as appropriate for your organization.<\/p>\n<\/td>\n<\/tr>\n<tr>\n<th>Machine Translation<\/th>\n<td><b>[\u306f\u3058\u3081\u306b]<\/b>  <\/p>\n<p>\u65b0\u3057\u3044Outlook(Windows for Windows)\u3067\u306f\u3001\u30c7\u30fc\u30bf\u640d\u5931\u9632\u6b62(DLP)\u7528\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u53ef\u80fd\u306a\u904e\u5270\u5171\u6709\u30c0\u30a4\u30a2\u30ed\u30b0\u3092\u8868\u793a\u3059\u308b\u6a5f\u80fd\u304c\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u307e\u3057\u305f\u3002\u3053\u306e\u5f37\u5316\u306b\u3088\u308a\u3001\u904e\u5270\u5171\u6709\u304c\u691c\u51fa\u3055\u308c\u305f\u969b\u306b\u30a8\u30f3\u30c9\u30e6\u30fc\u30b6\u30fc\u5411\u3051\u306b\u4f53\u9a13\u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3067\u304d\u3001\u660e\u78ba\u3055\u3068\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u306fMicrosoft 365\u30ed\u30fc\u30c9\u30de\u30c3\u30d7ID <a href=\"https:\/\/www.microsoft.com\/microsoft-365\/roadmap?filters=&amp;searchterms=498921\" target=\"_blank\">  498921<\/a>\u306b\u95a2\u9023\u4ed8\u3051\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>  <b>[\u3044\u3064\u8d77\u3053\u308b\u304b]<\/b>  <\/p>\n<p><b>\u4e00\u822c\u516c\u958b(\u4e16\u754c):<\/b> \u5c55\u958b\u306f <b>2026&nbsp;\u5e741\u6708\u521d\u65ec<\/b>\u306b\u59cb\u307e\u308a\u3001<b> 2026\u5e741\u6708\u4e0b\u65ec<\/b>\u307e\u3067\u306b\u5b8c\u4e86\u3059\u308b\u898b\u8fbc\u307f\u3067\u3059\u3002<\/p>\n<p><b>\u4e00\u822c\u7a3c\u50cd\u671f\u9593(GCC):<\/b> \u5c55\u958b\u306f <b>2026&nbsp;\u5e742\u6708\u521d\u65ec<\/b>\u306b\u59cb\u307e\u308a\u3001<b> 2026\u5e742\u6708\u4e0b\u65ec<\/b>\u307e\u3067\u306b\u5b8c\u4e86\u3059\u308b\u898b\u8fbc\u307f\u3067\u3059\u3002<\/p>\n<p>  <b>[\u3053\u308c\u304c\u3042\u306a\u305f\u306e\u7d44\u7e54\u306b\u4e0e\u3048\u308b\u5f71\u97ff]<\/b>  <\/p>\n<ul>  <\/p>\n<li><b>\u5f71\u97ff\u3092\u53d7\u3051\u308b\u4eba\u7269:<\/b> \u7ba1\u7406\u8005\u304cWindows for Windows \u306e\u65b0\u3057\u3044Outlook \u3067DLP\u30dd\u30ea\u30b7\u30fc\u3092\u7ba1\u7406\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<p>  <\/p>\n<li><b>\u4eca\u5f8c\u306e\u5c55\u958b:<\/b><br \/> \n<ul>  <\/p>\n<li>\u65b0\u3057\u3044Outlook\u3067\u306f\u3001DLP\u30eb\u30fc\u30eb\u304c\u30c8\u30ea\u30ac\u30fc\u3055\u308c\u308b\u3068\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u53ef\u80fd\u306a\u30aa\u30fc\u30d0\u30fc\u30b7\u30a7\u30a2\u30c0\u30a4\u30a2\u30ed\u30b0\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/li>\n<p>  <\/p>\n<li>\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u30aa\u30d7\u30b7\u30e7\u30f3\u306b\u306f\u4ee5\u4e0b\u304c\u542b\u307e\u308c\u307e\u3059:\n<ul>  <\/p>\n<li>\u30ab\u30b9\u30bf\u30e0\u30bf\u30a4\u30c8\u30eb\u3068\u672c\u6587\u30c6\u30ad\u30b9\u30c8\u3001\u6700\u592710\u8a00\u8a9e\u5bfe\u5fdc\u306e\u591a\u8a00\u8a9e\u5bfe\u5fdc\u3002<\/li>\n<p>  <\/p>\n<li>\u30d3\u30b8\u30cd\u30b9\u6b63\u5f53\u5316\u30aa\u30d7\u30b7\u30e7\u30f3(\u6700\u59273\u3064\u306e\u4e8b\u524d\u5b9a\u7fa9+1\u3064\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u30d5\u30ea\u30fc\u30c6\u30ad\u30b9\u30c8)\u3002<\/li>\n<p>  <\/p>\n<li>\u30de\u30c3\u30c1\u3057\u305f\u53d7\u4fe1\u8005\u306e\u305f\u3081\u306e\u52d5\u7684\u30c8\u30fc\u30af\u30f3\u3001\u30bb\u30f3\u30b7\u30c6\u30a3\u30d6\u30e9\u30d9\u30eb\u3001\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u540d\u3002<\/li>\n<p>  <\/p>\n<li>\u30c6\u30ad\u30b9\u30c8\u306e\u66f8\u5f0f(\u592a\u5b57\u3001\u659c\u4f53\u3001\u4e0b\u7dda\u3001\u884c\u6539\u884c)\u3002<\/li>\n<p>  <\/ul>\n<p>  <\/li>\n<p>  <\/p>\n<li>\u3053\u306e\u6a5f\u80fd\u304c\u3059\u3067\u306b\u30af\u30e9\u30b7\u30c3\u30afOutlook\u3067\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u308b\u5834\u5408\u3001\u65b0\u3057\u3044Outlook\u3067\u3082\u8ffd\u52a0\u306e\u64cd\u4f5c\u306a\u3057\u3067\u52d5\u4f5c\u3057\u307e\u3059\u3002<\/li>\n<p>  <\/p>\n<li>\u3053\u306e\u6a5f\u80fd\u306f\u7ba1\u7406\u8005\u304c\u8a2d\u5b9a\u3057\u306a\u3044\u9650\u308a <b>\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u30aa\u30d5 <\/b>\u3067\u3059\u3002<\/li>\n<p>  <\/ul>\n<p>  <\/li>\n<p>  <\/ul>\n<p>  <b>\u3010\u6e96\u5099\u306e\u305f\u3081\u306b\u3067\u304d\u308b\u3053\u3068\u3011<\/b>  <\/p>\n<ul>  <\/p>\n<li>\u3053\u306e\u6a5f\u80fd\u3092\u6709\u52b9\u306b\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u4f55\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u3082\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3002<\/li>\n<p>  <\/p>\n<li>\u6709\u52b9\u5316\u3059\u308b\u5834\u5408\u306f\u3001\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u30dd\u30fc\u30bf\u30eb\u306eDLP\u30dd\u30ea\u30b7\u30fc\u30d2\u30f3\u30c8\u3067\u8a2d\u5b9a\u3092\u8a2d\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ul>\n<p>\u8a73\u3057\u304f\u306f\u3053\u3061\u3089:&nbsp;<a href=\"https:\/\/learn.microsoft.com\/purview\/dlp-ol365-win32-policy-tips\" target=\"_blank\">Microsoft 365\u7528Outlook\u306e\u30c7\u30fc\u30bf\u640d\u5931\u9632\u6b62\u30dd\u30ea\u30b7\u30fc\u306e\u30d2\u30f3\u30c8\u53c2\u7167 |Microsoft Purview |Microsoft Learn<\/a><\/p>\n<ul>  <\/ul>\n<p>  <b>[\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u306e\u8003\u616e\u4e8b\u9805]<\/b>  <\/p>\n<p>\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u4e0a\u306e\u8003\u616e\u4e8b\u9805\u306f\u7279\u5b9a\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u3042\u306a\u305f\u306e\u7d44\u7e54\u306b\u5fdc\u3058\u3066\u30ec\u30d3\u30e5\u30fc\u3092\u884c\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>MC1202974 | Microsoft Outlook: Customizable oversharing dialog for DLP in New Outlook Classification stayInfor [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-14406","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/14406","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/comments?post=14406"}],"version-history":[{"count":0,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/14406\/revisions"}],"wp:attachment":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/media?parent=14406"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/categories?post=14406"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/tags?post=14406"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}