Computers, including Macs, indicate problems to users using error messages.

One such warning pop-up is “The operation can’t be completed because the disk is full.”

Errors like these often contain hints to fix the problem in the error notification itself.

External SSD connected to a MacBook

Essentially, the only solution to this problem is to create space on your disk.

We’ve listed out multiple ways to do so here.

This should be relatively easy to do without any hassle.

Red delete button on black background

It’s a good troubleshooting mode you’re free to use for this full disk error.

Booting in safe mode varies depending on what processor your Mac uses.

But we have a dedicated guide with information onhow to boot your Mac in safe mode.

A man holding portable Samsung external SSD

you’ve got the option to also delete apps you no longer need.

Just open theApplicationsfolder inFinderand drag it to theTrashin the bottom right corner of the Dock.

Finally, after deleting these files, don’t forget to erase the Trash.

MacBook next to two monitors

All you have to do isControl-click your Trash icon in the Dock and selectEmpty Trash.

If you skip this step, the problem might persist because the files are still on your Mac.

We also have a guide on what to do if youcan’t empty the Trash on your Mac.

CleanMyMac X Scanning for large and old files

A good example would be using a Thunderbolt 3 (USB-C) bridge to connect two Macs.

And if you’d rather not use cables, there are wireless ways to do so, like AirDrop.

you’ve got the option to useAirDrop to transfer multiple files at once.

They are basically temporary data that your rig can retrieve instead of downloading a new one every time.

But these files can pile up and cause storage problems like the full disk error.

Your Mac’s cache files will generally fall into either system or internet cache.

Instead, you should prioritize deleting your internet tool or internet cache.

How you will delete your web app cache varies largely depending on what web app you’re using.

You’ll typically find the option in theHistorysection of your web app menu.

It can often track your machine usage and pinpoint data or apps you don’t use.

We know it might be difficult to find a good one, especially with plenty of choices out there.

But that’s why we’ve compiled a list of thebest Mac cleaning and optimization appsfor you.

We can, sometimes, underestimate how much space we need and pay for it dearly down the line.

And this is especially true if you end up using a Mac longer than you imagined.