Before using any editor or manual backup method, you must find your local save folder: Ubisoft Connect
Look for folder 5092 within your Ubisoft savegames directory. Step-by-Step Guide: How to Edit Your Save ghost recon wildlands save editor
While not a traditional offline save editor, using Cheat Engine while the game is running allows you to freeze and modify values (like resource counts). When you log out, the game saves these modified numbers directly to your local file. Step-by-Step Guide: How to Edit Your Save File Before using any editor or manual backup method,
Fix broken save files or convert saves between different account IDs. Prerequisites and Essential Tools consider using a trainer like WeMod
For a safer, temporary alternative to editing the save file itself, consider using a trainer like WeMod, which requires disabling Easy Anti-Cheat.