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Yes, this is a job AI is genuinely good at, and also the kind of job where an unclear brief can do real damage in seconds. The chatbots you have used in a browser cannot reach into your folders. An agent can. The safest option for non-technical users in April 2026 is Claude Cowork. Most of the actual work is what you do before you let it touch anything.

How I'd approach it

Back up first. If anything in those folders matters and you could not easily replace it, make sure you have a current backup before you start. Time Machine on Mac, File History on Windows. iCloud Drive or OneDrive sync is not a backup, because if a file is renamed or moved on your machine, the cloud copy moves too.

Start small, on a copy. Pick one painful folder, like Downloads or that big drop-everything-here folder. Duplicate it as "Sorting in progress". Cowork works on the copy. The original sits untouched as your safety net while you trial.

Have AI write the prompt for you. This is the trick that catches most accidents. Open Claude in a browser and say: "Write me a Cowork prompt that tidies a folder of [the kinds of files you have] and renames them so I can tell what they are. Tell it what to do if it is not sure, and what it should never do." Read what Claude writes. Edit anything you do not agree with. Only then paste it into Cowork. AI is much better at being specific about itself than most humans are first try.

Read the summary before it commits. Cowork shows you what it is about to do before it does it. If it says it is going to delete anything, stop and tell it to move things to a "Maybe delete" folder instead so you can review them yourself. That summary is the last cheap point at which you can change your mind.

Extend once you trust it. Run Cowork on the small copy. Spot-check the result. If you are happy, give it the next folder. Build up one folder at a time. Do not give it your entire Documents tree on day one even if the small run goes well.

One Mac-specific extension worth knowing about. Finder lets you attach a colour tag and a comment to any file, and the agent can set both alongside renaming. Once that is in place you can sort the folder by name, sort by tag, or search the comment field for something you half-remember later. A tidied folder turns into something you can find things in three different ways.

Cowork is a paid feature, included with Claude Pro at around US$20 (A$32) per month. There is no free tier for it. If the price is a stretch, do the same job in two stages: photograph paperwork with your phone, ask a free-tier chatbot for filenames and a folder structure, then move the files yourself.

What I'd avoid

Do not point any agent at your whole user folder, iCloud Drive, or Documents tree on day one. Do not skip the backup, even if the folders feel low-stakes. The risk is not that AI is malicious. The risk is that it does exactly what you asked, very fast, on a folder that contained things you forgot were there.

For folders containing bank statements, tax records, or anything with full account numbers, do not use a free-tier agent of any service. Read the privacy page on this site before you start. AI is a useful tidier. It is not a substitute for keeping a backup.