![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(128, 8%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
Outlook | Windows | 新しい Outlook for Windows | ビジネス向け
プロフェッショナルなコミュニケーションと生産性の実現に新しい Outlook on Windows を使用する
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(67.2, 19%, 16%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESK%3C/text%3E%3C/svg%3E)
下記アナウンスが出ている影響かも分かりませんのでウォッチしてみて下さい。
| https://portal.office.com/servicestatus |
|---|
| Users may be unable to access their mailbox using any connection methods<br><br><br><br>More info: Impacted connection methods include, but may not be limited to:<br><br>- Outlook.com<br><br>- Outlook Mobile<br><br>- Outlook desktop client<br><br><br><br>Current status: We're continuing to investigate the impacted mailbox infrastructure and suspect an issue with an authentication component may be causing impact. We're further investigating the affected component to inform our next steps.<br><br><br><br>Start time: Wednesday, July 9, 2025, at 10:20 PM UTC |