Online-only explained
If you set a file or folder to online-only, it is removed from your hard drive so that it's only stored in your account on dropbox.com. You can still see the file or folder on your computer, but it's just a placeholder. You need to be connected to the internet to open it. If you open the file, it becomes local and saves back to your computer's hard drive. If you move, delete, or re-name it on your computer, even while offline, those changes will be mirrored on dropbox.com once your device is back online.
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Smart Sync vs. selective sync
Selective sync also helps you save hard drive space by removing files from your hard drive so that they're only saved on dropbox.com. However, you won't be able to see those files or folders on your computer at all and there's no automatic option for selective sync.
Automatic Smart Sync
You can turn on automatic Smart Sync so that files you don't open from your computer for a few months become online-only automatically and new files you add to dropbox.com become online-only by default.
Automatic Smart Sync
You can turn on automatic Smart Sync so that files you don't open from your computer for a few months become online-only automatically and new files you add to dropbox.com become online-only by default.
To turn on automatic Smart Sync:
- Click the Sync tab.
- Under Save hard drive space automatically,select On.
If you don't open a file or folder from your computer for a few months, it'll become online-only to save you hard drive space. If an application on your computer needs a file to be local to function properly, automatic Smart Sync will set it to local temporarily and return it to online-only later.
Make files added to the web default to online-only
You can make all files that you add to dropbox.com online-only by default in two ways:
- Turn on automatic Smart Sync. (Instructions above).
- Change this in your preferences. To do so:
- Click the Sync tab.
- Click the dropdown next to Files added on web default and click Online-only.
- If automatic Smart Sync is on, you can't choose this option because your files already default to online-only.
Why online-only files may take up a little space
Online-only files take up a small amount of space on your hard drive because the placeholder requires space to store the file name and the shortcut to dropbox.com, but it takes up much less space than the file itself would.
Dropbox Paper For Mac
Note: On Mac, online-only files may appear to take up the full amount of space. To fix this, follow the instructions in the 'Set online-only files to zero ‘logical' size' section of this article.
System requirements for Smart Sync
Mac: OS X Mavericks (10.9)
Windows: 7 and up
Note: You can't use Smart Sync on a mobile device, but you can set your Dropbox files to open on your mobile device while you're offline.
Automatically download files from one computer to another
There's a two-step process to automatically migrate files from one computer to another. First, you'll download and install the Dropbox desktop app on both computers. Next, you'll use the app to migrate files between computers.
Before you begin
Dropbox Paper Offline Mac
- If you have a large number of files, consider prioritizing them so the files you use every day migrate before archived files
- Also consider migrating your data in batches, or doing the migration overnight or on a weekend
- Be sure that the computer you're migrating files to has enough hard drive space (by default, the Dropbox desktop app keeps a copy of files on your computer's hard drive)
- Check the amount of space in your Dropbox account, and consider upgrading if necessary (by default, Basic accounts have 2 GB of space, while Plus and Family accounts have 2 TB)
- If you want to delete files from your old computer, or if you want to wipe the hard drive entirely, be sure to first sign out of Dropbox on that computer and uninstall the Dropbox desktop app (this will ensure synced files aren't deleted from Dropbox or from your new computer)
Download and install Dropbox on both computers
- Visit the Dropbox install page and download the latest version of the desktop app.
- Note: you don't need to re-install the desktop app if you already have it on one or both of your computers
- Once the installation finishes, sign in to your Dropbox account or sign up for a new one.
- After signing in, click Open my Dropbox.
Notes:
- Be sure to sign in to Dropbox using the same account on both computers (this ensures that the files in your Dropbox account on one computer migrate to the other computer)
- If the install is successful, you'll see a Dropbox folder on the hard drive of both computers, and the Dropbox icon will appear in your taskbar (Windows) or menu bar (Mac).
Migrate files from one computer to another
- On the computer you're migrating from, open File Explorer (Windows) or Finder (Mac) and navigate to any files or folders that you want to migrate. Drag-and-drop these files or folders to the Dropbox folder on your hard drive.
- As long as the computer you're migrating from is connected to the Internet, these files and folders will then upload to your Dropbox account in the cloud.
- These files and folders will also sync to your new computer, provided both of the following are true:
- The computer you're migrating to is connected to the Internet
- You're signed in to the Dropbox desktop app with the same Dropbox account on both computers
The migration is complete when a green circle with a checkmark appears beside the files and folders in the Dropbox folder on your computer. The Dropbox icon in your taskbar (Windows) or menu bar (Mac) will also say Up to date. You should then see the files and folders on both computers.
During and after migration
Dropbox Paper Mac Software
- The amount of time it takes for the migration to complete depends on the number of files you're migrating, and on the speed of your internet connection (you can control bandwidth as needed)
- Don't sign out, change settings, or turn off either computer during the migration process (the desktop app can only sync when you're signed in)
- If you lose Internet access during the migration, Dropbox will simply pause syncing, and resume once you're online again
- You can check the sync status at any time using the desktop application
- If you want to delete files from a computer, or if you want to wipe the hard drive entirely, be sure to sign out of Dropbox on that computer and uninstall the Dropbox desktop app (this will ensure synced files aren't deleted from Dropbox)
Copy files manually
The other way to migrate files is to copy them manually from a portable storage device (like an external hard drive) to the Dropbox folder on your computer. The Dropbox desktop app will then scan the files, and see that they're the same files in your Dropbox account.
On your old computer
- Update the Dropbox desktop application to the latest version.
- Wait until syncing has finished, as indicated by the green circle with the checkmark on the Dropbox icon in your menu bar.
- Once syncing has completed, copy the contents of your Dropbox folder to your portable drive (such as a USB drive or external hard drive).
On your new computer
- Install the latest version of the Dropbox desktop application and sign in to your account when prompted.
- The application will create a Dropbox folder and begin downloading files from your account. Stop the download immediately by clicking the Dropbox icon in your taskbar (Windows) or menu bar (Mac), and selecting Pause Syncing from the menu.
- Copy the files from your portable drive into the Dropbox folder.
- Resume syncing by clicking the Dropbox icon in the taskbar (Windows) or menu bar (Mac), and selecting Resume Syncing from the menu.
Default location for the Dropbox folder
Note that the default location for the Dropbox folder is different for each operating system:
- Linux: /home/yourUserName/Dropbox (such as /home/name/Dropbox).
- Mac: /Users/yourUserName/Dropbox (such as /Users/name/Dropbox).
- Windows: %HOMEPATH%Dropbox (such as C:UsersnameMy DocumentsDropbox).
Once you've completed these steps, the Dropbox desktop app will begin scanning the files in your Dropbox folder. If all of these files are the same as the files in your account online, scanning will finish. However if, in the middle of this process, a file has changed in your account (for example, someone else has updated a file in a shared folder), Dropbox will generate a conflicted copy so that both versions of the file are preserved.
Learn more
- By default, Dropbox will try to download all of the folders in your account. If there are folders you don't want taking up space on your computer, you can use selective sync to store them only in the cloud. However, you may need to wait until Dropbox has finished its initial sync of your files before the selective sync option becomes available.
- If you're going to copy files manually, you may want to temporarily leave shared folders. You can then copy your non-shared files to the Dropbox folder, and then re-add the shared folders and let them download to your computer. This will prevent Dropbox from generating conflicted copies of files if other people have changed them, as described above.
