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iOS 26 パスワード App ガイド：iCloud 同期、AutoFill、パスキー、対応 iPhone

iOS 26 でも Passwords がパスワードとパスキーを管理。iCloud キーチェーンと AutoFill を確認し、Security と履歴を点検。

「iOS 26 Passwords」を検索する人が確認したいのは usually means four checks: whether Passwords still lists passwords and passkeys after the update, whether iCloud Keychain is syncing, whether AutoFill is on, and whether iOS 26 password history can recover an older login.

Passwords shipped as a preinstalled app starting in iOS 18; on iOS 26, guide iphd18e98624/26 still treats it as the hub for passwords, passkeys, and verification codes. Below follows only support.apple.com/guide/iphone/iphd18e98624/26/ios/26, support.apple.com/guide/iphone/iph82d6721b2/ios, support.apple.com/guide/iphone/iphf9219d8c9/ios, support.apple.com/guide/iphone/view-password-history-iphfe5b109b1/ios, support.apple.com/en-us/120758, and support.apple.com/en-us/123075—sync, AutoFill, passkeys, and compatible iPhones.

1 Passwords hub
3 Max password apps for AutoFill
11+ iOS 26 floor on Apple list

One iOS 26 update—Passwords, Keychain, and AutoFill stay one stack

What lives in Passwords

Guide iphd18e98624/26: the Passwords app holds website and app passwords, passkeys, verification codes, Wi‑Fi passwords, Sign in with Apple entries, and group-shared credentials. Search, sort, then tap Edit to reveal, change, or delete. The Security tab surfaces weak-password recommendations.

How iCloud Keychain fits

iph82d6721b2: iCloud Keychain keeps website/app passwords and passkeys, cards, and Wi‑Fi data updated across approved devices. Turn on Sync this iPhone under Settings → [your name] → iCloud → Passwords & Keychain; new hardware needs approval on another device or via your iCloud Security Code.

Install iOS 26Verify Keychain syncEnable AutoFillReview Security

What Apple documents (sync, AutoFill, passkeys)

01

Cross-device sync

120758 and iph82d6721b2: with the same Apple Account and Passwords & Keychain enabled, entries update across iPhone, iPad, Mac (macOS Sequoia or later per 120758), and other approved devices. Turning sync off keeps data local to that device.

02

Password AutoFill

iphf9219d8c9 / 120758: open Settings → General → AutoFill & Passwords and turn on AutoFill Passwords and Passkeys. At sign-in, tap the suggested account or the key icon → Other Passwords. Up to three password apps may supply AutoFill.

03

Passkeys

120758: passkeys stay on-device in the secure enclave ecosystem and sign you into supporting sites and apps without a reusable password; they live alongside passwords in Passwords and iCloud Keychain. Creation flows are in article 120758 and linked iPhone manual topics.

04

iOS 26: password version history

iphfe5b109b1: open an account in Passwords and tap View History to see prior password versions and change dates; history may note AirDrop or shared-group events. Tap Clear to remove the change list for that login (not the current password unless you edit it separately).

After iOS 26: back up, then verify Passwords settings

  1. 01
    Confirm the OS and back up

    Open Settings → General → About for iOS 26. Apple Support recommends a backup before major upgrades. Compatible models are under “iPhone models compatible with iOS 26” in the iPhone manual (iPhone 11, second-generation SE, and later).

  2. 02
    Turn on iCloud Keychain sync

    Per iph82d6721b2: Settings → [your name] → iCloud → See All (or Passwords & Keychain) → enable Sync this iPhone. Approve the device on another signed-in Apple device if prompted.

  3. 03
    Enable AutoFill

    Per iphf9219d8c9: Settings → General → AutoFill & Passwords → AutoFill Passwords and Passkeys on. If you use 1Password or similar, add it as one of up to three AutoFill sources on the same screen.

  4. 04
    Run a Security pass in Passwords

    Open Passwords, tap Security for weak, reused, or leaked-password alerts (120758). After a rotation, use View History (iphfe5b109b1) to confirm whether old versions should stay in history.

Compatible iPhones and cross-platform Passwords (Apple summary)

TierDevicesNote
iPhoneiPhone 11 through iPhone 17 series, SE 2/3, iPhone Air, etc.iOS 26 + Passwords app
SyncSame Apple Account + approved devicesiCloud Keychain (iph82d6721b2)
Mac / iPadmacOS Sequoia or later, matching iPadOS (120758)Passwords app; OS must meet Apple minimums

Apple: Passwords requires the OS versions listed in its support articles—you cannot replace the system stack with a standalone App Store “Passwords 26.” With AutoFill off, entries remain in Passwords but won’t appear in login suggestions.

Edges to read

Third-party managers
iphf9219d8c9 allows up to three password apps; if you rely on Apple Passwords only, ensure it stays among enabled AutoFill sources.
Excluded sites
iphf02627316 (iOS 26 manual): Settings → Apps → Passwords → Show excluded websites lists sites where you chose never to save passwords.
Sharing and AirDrop
Password history (iphfe5b109b1) may record AirDrop or shared-group actions; sharing flows live in Apple’s “Share passwords and passkeys” manual topics.
# Official path (summary)
iOS 26: Settings → General → Software Update
Keychain: Settings → [name] → iCloud → Passwords & Keychain → Sync this iPhone
AutoFill: Settings → General → AutoFill & Passwords
Passwords app: Passwords → All / Security
History: Passwords → account → View History
Docs: iphd18e98624/26, iph82d6721b2, iphf9219d8c9, iphfe5b109b1, 120758

While you rotate logins, a five-minute align still fits one page

Major upgrades and password changes take time. To align next steps quickly, open a browser room for voice plus whiteboard: frogmeet. Mobile limits: mobile browser note.

確認したい質問

Passwords looks empty after iOS 26—now what?

Confirm the correct Apple Account and enable Sync this iPhone per iph82d6721b2. If Keychain was off, re-approve the device; Apple Support article HT204085 covers iCloud Keychain setup.

AutoFill never suggests a password

Check iphf9219d8c9: the AutoFill toggle, excluded websites (iphf02627316), and whether the login field accepts passwords. Tap the username or password field in Safari or the app to surface suggestions.

Where is View History?

iphfe5b109b1: Passwords → All → pick the account → View History. Full history appears when multiple versions exist; Clear removes the change list.

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