Proton Mailの解約方法（2026年）
Proton Mailのプランは$4.50/月から。5ステップのガイドに従って約5分でサブスクリプションを解約できます — 引き止めオファーを避けるコツ付き。
更新日: 2026年3月
から $4.50/月
簡単解約すると年間$54.00の節約
所要時間:5 分
解約方法:Website
1
Sign in to Proton Account
Go to account.proton.me and sign in with your Proton credentials.
2
Go to Subscription settings
Navigate to 'Subscription' in the left sidebar.
3
Click Downgrade account
Scroll down and click 'Downgrade account' to switch to the free plan.
4
Review what you'll lose
Proton will show features you'll lose including storage, custom domains, and aliases.
5
Confirm downgrade
Click 'Confirm downgrade'. Your paid features remain active until the billing period ends.
引き止め対策
Proton will highlight end-to-end encryption, privacy features, and storage you'll lose by downgrading to the free tier.
よくある質問
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