When you install the OneDrive app for Mac, a copy of your OneDrive is downloaded to your Mac and put in the OneDrive folder. This folder is kept in sync with OneDrive. If you add, change, or delete a file or folder on the OneDrive website, the file or folder is added, changed, or deleted in your OneDrive folder and vice versa.

To upload files to OneDrive automatically, just copy or move the files to your OneDrive folder using the Finder, or save them in your OneDrive folder from an app. Files you upload this way can be up to 15GB in size if you're signed in to a Microsoft account, or 15GB if you're signed in to a work or school account. If you installed the OneDrive app on other computers, the files will automatically be added to the OneDrive folders on them, too.

You can also use the Finder to rename and delete files, create new folders, and move files around in your OneDrive folder. The changes will automatically be made in OneDrive and your other computers that have the OneDrive app installed.

The OneDrive sync client lets you sync files from your OneDrive for Business and even from SharePoint sites if your admin enabled it. (If you're the IT admin for your organization, see Enable users to sync SharePoint files with the new OneDrive sync client.)

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Note: To use the OneDrive desktop app to sync your work files, you need an Office 365 business account.

Note: As of 1 February 2019, OneDrive only supports new installations on Mac OS 10.12 or newer. For more information, see OneDrive End Of Support Notice

Install and set up

If you have signed in to the OneDrive sync client with a Microsoft account (for example, someone@outlook.com), you should already have the OneDrive desktop app and you can skip to step 2 below.

1. Install OneDrive for Mac.

   Important: If you are currently using the OneDrive Mac Store app, you must first uninstall it before installing the latest build of the OneDrive desktop app.

2. Start OneDrive Setup.

Method 1: If you have no accounts signed in to OneDrive

If you're not signed in to OneDrive with any account, start OneDrive to connect a work or school account.

1. Start OneDrive by pressing cmd+Space to launch a Spotlight query and type OneDrive. This starts OneDrive Setup.

2. Enter your work or school account and then select Sign in to set up your account.

Method 2: If you already have a personal account signed in to OneDrive

If you already have a personal account signed in to OneDrive, you’ll want to add a work or school account in OneDrive Preferences.

1. Click the OneDrive cloud icon up in your Menu bar, click the three dots to open the menu, and select Preferences.

2. Click the Account tab, and then select Add an Account to start OneDrive Setup.

3. Enter your work or school account and click Sign in.

Key parts of OneDrive Setup

There are a few points of OneDrive Setup that are helpful to watch for:

• On the This is your OneDrive folder screen, click Choose OneDrive Folder Location.

  Select a location where you would like to save your OneDrive files and click Choose this location.

  When you see the This is your OneDrive folder screen, you’ll now see a path to the folder you selected. Click Next to continue.

• On the Sync Files from Your OneDrive screen, you can choose the folders you want to sync to your computer, and click Next. This conserves space on your computer, and reduces bandwidth needed for the sync processes.

• When you see Your OneDrive Is Ready for You, the last thing to do is make sure you select Open at login so my files sync automatically. This will ensure that OneDrive runs at login and you always have the most up to date version of all your files.

  After you enable OneDrive to open at login, you’re done! Click Open your OneDrive folder to see your files sync to your folder.

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You can find OneDrive up in your Menu bar. You’ll have a cloud icon for every account you’ve connected to OneDrive. So you’ll have one cloud if you’re only syncing a work or school account, one cloud if you’re syncing only a personal account, or two clouds if you’re syncing both.

You’ll also see a folder in Finder called OneDrive – YourTenantName.

Note: Contoso is an example name. You will see the name of your organization.

Turn on Finder integration

If you’re on OSX 10.10 or higher, get sync status directly from Finder by enabling Finder overlays in Settings.

First, click the Apple logo in the top left corner of your Mac Desktop and select System Preferences, then select Extensions in the top-level menu (shown in the 3rd row from the top).

Toggle on the OneDrive Finder Integration to enable Finder overlays.

You’re all set. Open up your OneDrive folder in Finder to see overlays on your files and folders.

If you're an admin and want to enable sync icon overlays on multiple computers, you can use this Terminal command:

/usr/bin/pluginkit -e use -i com.microsoft.OneDrive-mac.FinderSync

Sync SharePoint sites

To sync libraries and folders

File Sync Programs

1. Click the Office 365 app launcher , and then click SharePoint.

2. Click the site that you want to sync.

3. Click Documents or navigate to the subfolder that you want to sync.

4. Click Sync.

5. If your browser requests permission to use 'Microsoft OneDrive,' confirm that this is okay.

   Note: Your organization needs to enable SharePoint site syncing with the OneDrive desktop app for you to sync sites on your Mac. If you're the IT admin for your organization, see Enable users to sync SharePoint files with the new OneDrive sync client. If you're not the IT admin, contact your IT department.

6. Choose the folders that you want to sync, and then click Start sync.

SharePoint team sites sync under a folder with your tenant name. This folder is automatically added to the left navigation pane in Finder.

Manage your syncing sites

You can manage your syncing sites in the sync client settings.

1. Click the OneDrive icon in the menu bar.

2. Click Preferences, and then click the Account tab.

3. To change the folders that you're syncing, click Choose Folders for that location, and then choose the folders that you want to sync. To stop syncing a site, click Stop Sync next to the site. (Copies of the files remain on your computer. You can delete them if you want.)

Additional resources

For additional resources about the OneDrive desktop app:

Need more help?

Editor's Note: This article, published in our August 2008 issue, includes information on .Mac, which will be replaced by MobileMe in early July. Any instructions may change significantly.

Most people with multiple Macs need to synchronize more data than .Mac Sync can handle-such as word processing documents, spreadsheets, PDF files, e-mail messages, photos, videos, and music. If you’re a .Mac member (soon to be MobileMe), one approach is to put files you want to sync on your iDisk. Then open the Mac preference pane on each Mac you want to sync, go to the iDisk tab, and make sure that iDisk Sync is set to On (if it isn’t, click on the Start button). This creates a local copy of everything on your iDisk, which you can access even when you’re offline. As long as Update is set to Automatically, whenever you save a file to your iDisk, OS X uploads it to Apple’s servers and downloads it to any other Mac you’ve set up in the same way.

Sync Software For Mac

If you’re not a .Mac member, if you need more online storage space than .Mac provides (10GB by default, moving to 20GB with MobileMe), or if you want to be able to access your files from your mobile phone, you can try a program that was still a beta release at press time: Sharpcast’s SugarSync (subscriptions start at $25 per year), which securely synchronizes your selected folder(s) to the company’s servers and to other computers you own. Evenflow’s Dropbox, also a beta release at press time, provides a similar service with an impressively simple user interface, and Jungle Tools’ JungleDisk can accomplish nearly the same thing using Amazon.com’s S3 service.

Best File Sync Software For Mac

However, syncing one or more folders on your iDisk or using a service like SugarSync may not meet all your needs, especially if you have huge volumes of data or if you want the speed of direct Mac-to-Mac transfers (instead of waiting for an upload followed by a download). In such cases, a better bet is to use a file-synchronization utility. (For such a utility to work, your computers need to see each other over a network; see “Set Up File Sharing” for details.)

How Sync Utilities Work Almost all synchronization utilities have certain features in common. You specify two locations you want to synchronize-say, a folder on your laptop and the corresponding folder on your desktop Mac. Then you choose the direction of the synchronization: you might specify that files copy from the desktop to the laptop only, from the laptop to the desktop only, or in both directions (thus making sure both locations end up with identical contents). You may also have to decide what action the software should take when both locations contain a file with the same name but different contents-choices include overwriting the older file with the newer one, renaming one of the files and keeping both, and pausing to let you decide what to do on a case-by-case basis.

After you set up your preferences and activate a sync, the software scans the files in both locations and copies just the ones that aren’t already the same in both places. Depending on how you set things up, the software may also delete files from one side that were deleted on the other, in order to make the two locations identical. Some synchronization software can perform syncs automatically on a schedule or when other trigger events occur, such as mounting a network volume. This can be useful, for example, if you want to synchronize your laptop with your desktop Mac every time you come home from a business trip and connect to your local network.

Dozens of applications, including many backup programs, can do all this. Macworld has recently reviewed several: Econ Technologies’ $30 ChronoSync 3.3.6 (), Softobe’s $40 FoldersSynchronizer X 3.6.3 (), and Qdea’s $100 Synchronize Pro X 6.0.1 (); Qdea also offers the $30 Synchronize X Plus 3.5, which has many of the synching features of its Pro sibling). My favorite is ChronoSync, which has a wide range of options for customization and scheduling, and has been highly reliable in my testing.

Choose Which Files to Sync If both Macs have suitably large hard drives and if you do similar work on each, you might consider synchronizing your entire user folder (/Users/your user folder) between the two, as that folder likely contains all your personal files. Because your user folder includes, by default, all your music, photos, and e-mail, not to mention the information included in a .Mac sync (contacts, calendars, and so on), syncing the whole thing can eliminate the need to come up with a separate strategy for each kind of data.

However, syncing all your data in this way can be highly problematic-in fact, it can actually lead to data loss if you’ve used both computers between synchronization sessions: If you’ve changed database files (including those that Mail, Entourage, or iTunes uses), disk images (such as the ones that hold Windows installations for Parallels Desktop or VMware Fusion), or other similar files, one computer’s version of the file will overwrite the other’s, rather than specific data within the files being synchronized. Unless you know for sure that files will not change on either computer while the other is in use, it’s much safer to restrict synchronization to more-specific folders.

If you normally keep the documents you create in your Documents folder or in one of its subfolders, syncing the Documents folder between two Macs is a reasonable choice. However, you may want to be more selective. For example, let’s say you use your desktop Mac for page-layout work in Adobe InDesign and store those files in Documents, but you never use InDesign on your laptop. You can save time and disk space by excluding the folder(s) for desktop-publishing documents from syncs. Or if you use your laptop mainly to edit Microsoft Office documents related to a particular project, you might decide to synchronize only the folder(s) you store that data in.

File Syncing Tips For the most part, once you’ve selected the files you want to sync, getting the synchronization done is simply a matter of choosing a source, a destination, and the particular options in your synchronization utility, and then clicking on a Synchronize button. However, a few tips may help you to avoid potential pitfalls:

• Don’t Sync Applications Many applications store essential components outside of the Applications folder (for example, in /Library/Application Support and other Library subfolders, not to mention preference files), and chances are good that you’ll miss some of those pieces when you try to sync applications. The result could be malfunctioning programs on one or all of your computers. For more reliable operation, install applications on each computer separately.

• Test Syncs First Many sync utilities offer a test mode that lets you see what changes would be made during a sync, without actually copying any files. Checking out these sync scenarios ahead of time has saved me from losing files to user error more than once. For example, you can click on ChronoSync’s Trial Sync button instead of its Synchronize button, or you can go to FoldersSynchronizer X’s General preference pane and select Show Preview in the Before Sync section.

• Delete with Caution When performing a bidirectional sync, as you most likely will when synchronizing two computers that are both used actively, sync utilities let you specify whether to delete files that have been removed from the other side. This may be what you want, but it could also result in the loss of important data if you have a preference set incorrectly or if you delete a file by mistake. At least for the first few runs, until you’re comfortable with the way your synchronization works, choose a setting that moves deleted files to another folder or asks for your approval before deleting them.

• Sync Selectively In some situations, you won’t want to synchronize all your important files between both of your Macs. For example, you may not need many of the files in your desktop Mac’s Downloads folder to be transferred to your laptop-especially if the laptop is short on disk space.

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