Turning on iCloud Drive is the single fastest way to make your Mac feel bigger, safer, and effortless to switch between. Once it is on, your Desktop and Documents folders live in the cloud, sync to every Apple device you own, and older files can be offloaded automatically when your drive fills up. Here is exactly how to do it in a few clicks on macOS Sequoia, Sonoma, and Ventura.
The 60-second version
- Click the Apple menu → System Settings.
- Click your name at the top of the sidebar (sign in with your Apple Account if prompted).
- Click iCloud, then click Drive.
- Turn on Sync this Mac. That is it — iCloud Drive is now on.
Everything below is optional but worth doing: syncing your Desktop and Documents, and freeing up local space with Optimize Mac Storage.
Step 1: Open iCloud settings
From the Apple menu in the top-left corner, choose System Settings. Click your name at the very top of the sidebar. If you see Sign in instead of your name, click it and enter your Apple Account email and password first — iCloud Drive needs you signed in to work.
Then click iCloud. You will see a list of apps and features that can use iCloud, with iCloud Drive near the top.
Step 2: Turn on iCloud Drive
Click Drive (older macOS versions label it iCloud Drive). Turn on Sync this Mac. Your Mac immediately starts syncing app data and any files you save into iCloud Drive. You can now find iCloud Drive in the Finder sidebar under the iCloud section.
Step 3 (recommended): Sync your Desktop & Documents folders
Still inside the Drive screen, turn on Desktop & Documents Folders, then click Done. macOS moves both folders into iCloud Drive, so every file on your Desktop and in Documents is backed up and available on your iPhone, iPad, and any other Mac you sign into.
This is the setting most people forget — and it is the one that saves you when a drink meets a keyboard. If your Mac ever dies, your Desktop and Documents are already safe in the cloud.
If you have more than one Mac, repeat this on each one you want kept in sync.
Step 4 (optional): Turn on Optimize Mac Storage to free up space
On the same Drive screen, turn on Optimize Mac Storage. When your local drive gets low on space, macOS automatically removes the local copies of older iCloud files — they stay safely in iCloud and re-download the moment you open them. Files that are cloud-only show a little download-cloud icon in Finder.
This is a great way to stretch a 256GB Mac. One honest caveat: an offloaded file needs an internet connection to come back. If you travel or work offline, right-click the files you will need and choose Download Now before you go, or leave Optimize Mac Storage off for the folders you cannot live without.
iCloud Drive vs. Time Machine — you want both
iCloud Drive keeps your current files synced and available everywhere. It is not a full backup — it will not restore a deleted app, your system, or older versions of everything. For that you still want a local Time Machine backup on an external drive. Use iCloud Drive for convenience and sync; use Time Machine for a true safety net.
How much iCloud storage do you get?
Every Apple Account includes 5GB free, which fills up fast once Desktop and Documents are syncing. iCloud+ plans start at 50GB for $0.99/month, then 200GB and 2TB. If you are only syncing documents and photos, 50GB or 200GB is plenty; 2TB is for big photo and video libraries.
The storage-size shortcut most people miss
Optimize Mac Storage helps, but it cannot beat starting with enough room. If you are constantly juggling space on a 256GB Mac, a 512GB machine removes the headache entirely — and on the refurbished market the jump costs far less than Apple charges new. Not sure which you need? Read how much storage you actually need.
At LuxuriousComputers we sell professionally refurbished Macs with a 1-year warranty. A MacBook Air M2 starts at $549, an M1 Mac mini at $599, and if you want a bigger drive without paying new-Apple prices, our Apple clearance section is the cheapest place to start. Every machine is tested, cleaned, and ready to sign into iCloud out of the box.
Troubleshooting: iCloud Drive won't turn on or sync
- Nothing syncs: Check you are signed into the same Apple Account and connected to Wi-Fi. System Settings → your name → iCloud shows your sign-in status.
- "Storage full": You have run out of iCloud space, not Mac space — upgrade to iCloud+ or remove large files from iCloud Drive.
- Desktop looks empty after enabling: Give it a minute; files are uploading. They will reappear in the iCloud section of the Finder sidebar.
- A file won't open offline: It has been offloaded — connect to the internet, or right-click → Download Now next time you have signal.
Frequently asked questions
Does turning on iCloud Drive delete files from my Mac?
No. It moves your Desktop and Documents into iCloud Drive but keeps them accessible exactly where they were. With Optimize Mac Storage on, older files may become cloud-only to save space, but they re-download when opened.
Will iCloud Drive back up my whole Mac?
No — it syncs your files, it does not image your system. Pair it with Time Machine for a complete backup.
Is 5GB of free iCloud enough?
Only for light use. Once Desktop, Documents, and Photos sync, most people move to the 50GB or 200GB iCloud+ plan.
Can I turn iCloud Drive back off?
Yes. Return to System Settings → your name → iCloud → Drive and turn off Sync this Mac. macOS will ask whether to keep a local copy of your files — choose Keep a Copy so nothing is lost.
Buying a refurbished Mac and want it set up right? Every Mac from LuxuriousComputers ships tested and ready — sign into iCloud, flip on Desktop & Documents, and you are running in minutes.