For Resident Evil 4 (2023), the critical backup context is the account-scoped Steam directory. Copying one .bin file without knowing which Steam identity and folder it came from can create a misleading sense that the save is portable. The safer backup is the complete win64_save directory plus a note of the Steam account. On macOS, preserve the entire CAPCOM SaveData directory instead. SaveEditor.com records the user-ID binding because it directly affects restoration and future editor compatibility.
Which storefront context matters
Documented Resident Evil 4 PC launchers/storefronts: Steam, macOS App Store. The Windows/Steam and macOS container paths are different. Keep account/profile context with the backup instead of treating isolated .bin files as anonymous portable saves. The active storefront/account should be identified before any restore because cloud and local storage may not use the same path or container across editions.
Documented cloud behavior
Steam Cloud is documented for saves and most settings. Cloud synchronization is useful for continuity, but it can also turn a restore into a conflict-resolution event. Let synchronization settle before making a manual backup, and keep an offline copy outside any folder monitored by the launcher or operating-system sync service.
Local save roots still matter
The researched local save boundary is Windows: Steam: <Steam-folder>userdata<user-id>2050650remotewin64_save | macOS: $HOME/Library/Containers/jp.co.capcom.RE4US/Data/Library/Application Support/CAPCOM/jp.co.capcom.RE4US/SaveData | Linux / Steam Play: Steam Play: <SteamLibrary-folder>/steamapps/compatdata/2050650/pfx/; the known file or folder pattern is win64_save directory records. A cloud-enabled game still has concrete local data involved in ordinary play, and that local context is what you need when identifying which copy was modified most recently.
Avoid accidental overwrite loops
Back up the complete win64_save directory for Steam, or the complete SaveData directory on macOS. Record the account that created the backup. When restoring, close the game and launcher, preserve both the current local copy and the backup you want to test, then place the intended data in the matching profile/storefront location. Do not repeatedly open the game between different copies without noting which side the cloud client selected.
Compatibility and conflict checks
Steam saves are account-associated. A file from another Steam identity may require a dedicated account-aware conversion workflow; this Game Hub does not claim direct portability. If progress disappears or rolls back, If copied saves are ignored, restore the untouched original and confirm account ownership, folder level, and cloud synchronization before attempting another replacement. Resolve identity/path/cloud questions first. A cloud conflict is not proof that the save itself is corrupt, and a successful upload is not proof that files from another storefront are compatible.
Verification context: Steam, macOS, Steam Play paths and account-binding notes were reviewed against current PCGamingWiki coverage for Resident Evil 4 (2023).