Turns out Garmin installation process takes up about 13GB of space for each map.
- Type in Mail Downloads and click on the folder when it shows up to open it. Here you'll see a list of files that Mac Mail has saved. These are all attachments that you've either opened in Mail or viewed in Quick look. Delete the files you don't need and then close the Mail Downloads folder.
- Remember that you’ll need to empty your Trash Can to completely remove the applications from your Mac. Clean up media and downloads. The quality of media like photo and video is constantly improving. Unfortunately, this usually means that the corresponding files are bigger than they used to be.
- Chances are, your Downloads folder is stuffed with Other-type files, including installer packages, documents, and folders you have already made copies of somewhere else. If you want to make some room on your Mac, it may be time to clean out your Downloads folder. Click on your desktop or select the Finder icon from the Dock.
To turn off iCloud Drive entirely, deselect iCloud Drive. If you're using macOS Mojave or earlier, choose Apple menu System Preferences, click iCloud, then click Options next to iCloud Drive. Store in iCloud turns on the Desktop & Documents Folders and Optimize Mac Storage settings. In Photos, choose Photos Preferences, then click iCloud. Mac users often find their Downloads folder filled with disk images that they previously downloaded from the internet, files that – having already installed the apps – they forgot to delete after unmounting the image. As you may already know, installer files for macOS come with a DMG file extension – otherwise known as an.
Garmin Express deposits downloads in
%programdata%GarminCoreServiceDownloads
The files used by Basecamp to use the maps on your computer are stored in
%programdata%GarminMapsProduct1
The latest map for North America is 2017.20 and the Product1 folder is only 2.43GB. I kept the other files in the folder just in case so it is 3.32GB with those in place.
There's a folder for each version of map you choose to keep.
How To Clean Up Downloads Folder
The download folder for 2017.20 was using about 9GB. You do not need the contents in the download folder once you've installed the map on the unit unless you're going to redeploy the map onto a different PC.
I deleted 2016.20 entirely and kept only the installed map for 2017.10. The cleanup freed up 25 GB of space on my HDD.
To get to those folders, hit Windows+R, enter %programdata%Garmin
Make sure you have show hidden folders enabled in 'folder options' (push alt key... select 'tools'... 'folder options')
Clean Up Downloads Folder Mac
Make sure you're satisfied with the change. The final step frees up the disk space, but you won't be able to roll back once it is done.
Control panel > system > system protection
'configure', 'turn off system protection'
This frees up the space. Now, turn it back no so that you have the ability to roll back using system restore for future changes.
I know some one will comment that is nothing because 3TB drives are cheap today, however 25GB is a considerable waste space on a SSD system and wasted time and space on every set of backup you make.