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Mailデスクトップアプリは、Proton MailとProton Calendar専用のMacワークスペースを提供します。Protonアカウントに接続すると、ブラウザーのタブを開いたままにしなくても、メールの閲覧や送信、カレンダーの利用ができます。\u003C\u002Fp>\n\u003Ch3 class=\"on-md-heading-1\">機能\u003C\u002Fh3>\n\u003Cul>\n\u003Cli>デスクトップウィンドウでProton MailとProton Calendarを利用できます。\u003C\u002Fli>\n\u003Cli>サービスでサポートされているツールを使って、アカウントのメッセージを作成、整理できます。\u003C\u002Fli>\n\u003Cli>対応するデスクトップ通知や外観設定を利用できます。\u003C\u002Fli>\n\u003Cli>既存のProtonアカウントに接続した状態でデスクトップアプリを利用できます。\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Ch3 class=\"on-md-heading-1\">要件とセットアップ\u003C\u002Fh3>\n\u003Cp>公式のデスクトップアプリサポートページでは、macOS 12以降が必要とされています。Mac用ディスクイメージをダウンロードしてアプリをインストールし、Protonアカウントにサインインしてください。記載されているダウンロードサイズは、ダウンロードしたバイト数に基づく、公式1.15.1 DMG全体のサイズです。アカウントへの接続とサービスの利用には、ネットワーク接続が必要です。\u003C\u002Fp>\n\u003Cp>有料またはトライアルのProton Mailプランを利用している方は、誰でもデスクトップアプリを使用できます。公式ガイドでは、無料プランのユーザーに14日間のデスクトップトライアルが案内されています。継続してデスクトップアプリを使用する場合は、現在のプランで利用できることを事前に確認してください。デスクトップアプリは、アカウントの認証情報や2要素認証の代わりにはなりません。Macにメールの詳細を表示したい場合にのみ通知を有効にし、共有画面に何が表示される可能性があるかも考慮してください。\u003C\u002Fp>\n\u003Cp>デスクトップのソースパッケージはGPL-3.0ライセンスを定めています。Protonのホスト型アカウントサービスと有料サブスクリプションには、別個の規約が適用されます。Proton Mailの暗号化の動作は、メッセージのワークフローと受信者によって異なります。外部アドレス宛てのメールがすべて自動的にエンドツーエンド暗号化されると考えないでください。機密性の高いやり取りには、用途に適したサポート対象の保護メッセージ機能を選択してください。アカウントの復旧情報を安全に保管し、アカウントとサービスのプライバシー設定を確認してください。\u003C\u002Fp>\n\u003Cp>出典：\u003Ca href=\"https:\u002F\u002Fproton.me\u002Fsupport\u002Fmail-desktop-app\" target=\"_blank\" rel=\"noopener noreferrer\">公式デスクトップアプリガイド\u003C\u002Fa>、\u003Ca href=\"https:\u002F\u002Fproton.me\u002Fmail\u002Fdownload\" target=\"_blank\" rel=\"noopener noreferrer\">公式ダウンロードページ\u003C\u002Fa>、\u003Ca href=\"https:\u002F\u002Fgithub.com\u002FProtonMail\u002FWebClients\u002Ftree\u002Fmain\u002Fapplications\u002Finbox-desktop\" target=\"_blank\" rel=\"noopener noreferrer\">公式の最新ソース\u003C\u002Fa>。\u003C\u002Fp>\n"]