Legendary Edition is a trilogy container, so the safest backup unit is the shared Save folder rather than one apparent slot. Keep the ME1/ME2/ME3 directory names intact because character-import workflows depend on the game-specific records remaining separated.
Identify the exact save you intend to edit
The researched Mass Effect Legendary Edition PC save location is Windows: %USERPROFILE%DocumentsBioWareMass Effect Legendary EditionSave. Known file/folder pattern: ME1, ME2, and ME3 subfolders under the Legendary Edition Save directory. Storefront context: EA app, Steam. The active EA app, Steam installation determines which local profile and cloud copy can overwrite the save. Identify the storefront and account before restoring files. Do not edit a similarly named file from a different profile, edition, or cloud cache.
Make an untouched backup first
Close Mass Effect Legendary Edition, let the launcher finish any synchronization, then copy the complete documented save directory to a dated folder outside the live path. Preserve companion files rather than selecting only the newest-looking record. Keep that copy outside the live save directory and do not overwrite it with later experiments. Cloud context: EA/Steam cloud synchronization may coexist with the Documents copy; wait for sync to settle before replacing local files. If a launcher can synchronize the save, prevent it from silently replacing either the original or edited copy while testing.
Understand the format boundary
The trilogy keeps each remastered game in its own subfolder beneath one Legendary Edition save root. Back up the whole Save directory when preserving a trilogy playthrough, especially before importing a character between games. File-extension context: No single extension is sufficient to identify every relevant save record. Compatibility note: Treat saves as version-, storefront-, account-, and mod-sensitive unless the game or a separately verified migration workflow proves otherwise. A similar filename or extension is not evidence that two releases are interchangeable. These facts help identify the save but do not automatically reveal every field, checksum, encryption rule, or version-specific structure inside it.
Use only a Tool whose claim matches the file
Generic viewers and diff tools can inspect bytes without claiming game-specific semantics. A game-specific editor should be used only when its Tool page explicitly lists Mass Effect Legendary Edition, a matching supported version/container, and a Verified operational runtime. A planned URL or Game Hub is not evidence that an editor exists.
Test the edited copy safely
Write to a new output file when the Tool supports it, keep the original backup, restore the edited copy into the correct profile/storefront location, and launch the game only after the file operation finishes. If the game rejects it, If progress is missing after a restore, confirm the active Windows account, storefront/profile, cloud state, and exact directory first. Restore the untouched backup before experimenting with individual files or older autosaves. Return to the untouched backup before trying another change.
Verification context: Windows save location, file-boundary, launcher/cloud, and backup notes were reviewed against the linked game-specific references for Mass Effect Legendary Edition. This Game Hub is documentation only and does not claim a new game-specific Save Editor.
Recorded Phase 40 evidence boundary
This Phase 40 entry is grounded in the researched PC save boundary for Mass Effect Legendary Edition: Windows: %USERPROFILE%DocumentsBioWareMass Effect Legendary EditionSave The recorded file or folder pattern is ME1, ME2, and ME3 subfolders under the Legendary Edition Save directory. These concrete identifiers are retained so backup, transfer, recovery, and editing preparation remain tied to the documented game/storefront context instead of a generic extension guess.