Time Machine is Apple's built-in backup software. Time Machine was first introduced on OS 10.5 Leopard.

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TimeMachine with multiple disks (one at a time)

I have backed up my Mac to an external disk using TimeMachine. When I plug in a different external disk the Mac still expects to backup to the first disk. Is it possible to backup to two external ...
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Time Machine backup format

Is the format of Time Machine's backups documented, or standard? Can I extract the files with a non-Mac system?
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Merge Time Machine Backup

Is it possible to merge to Time Machine Backups? When I look inside the sparse-bundle which Time Machine generates then I see that the folder-structure ordered by dates. So theoretically I could copy ...
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Is AFP (specifically Time Machine) encrypted on the wire?

I've been hunting for the answer to this, but I have not found it. When I back up my laptop using Time Machine to a remote Time Machine server (Time Capsule, or Mac Mini with an external drive), is ...
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huge Chrome Time Machine backups

My 1TB Time Machine drive just filled up, apparently due a bug in Chrome. Since this issue has been open for a year and a half, I don't expect that Google will fix it any time soon. Can anyone offer ...
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Why is Time Machine over-stating the amount of data that needs to be backed up?

I shuffled my home directory around and moved it back to my spinning platter drive in my MacBook. Ever since, Time Machine has been running my machine hot (the fan comes on when Time Machine starts ...
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Backup software like Time Machine and CrashPlan combined?

Is there a good backup software that combines Time Machine snapshot functionality on local level with CrashPlan remote backups as well? I am currently using both, but find both unsatisfactory. My ...
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Downgrade from OSX 10.10 Yosemite Beta to OSX 10.9 Mavericks [duplicate]

I downloaded the Beta version of Yosemite, but I'm finding that some of my key programs are running properly. I keep regular backups to a Time Capsule. How do I downgrade back to 10.9? EDIT: 21.5 ...
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Time machine is not including new directories in its backup [closed]

My Time Machine is going for a year quite strong, but I recently noticed it is not including new directories in its backup. Basically new directories are being excluded by rule or error and I'd like ...
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Disable Time Machine hourly backups

Can the hourly backups by Time Machine be stopped? I'm on Lion and if it matters, each hour it tries to backup about 30GB (I don't know where this 30GB comes from, as today I've only modified a few ...
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Encrypting/protecting Time Machine backup drive?

How do you guys secure/protect your Time Machine backup drive? Even though it's an external drive, it's still susceptible to physical theft though. What do you guys do for precautions?
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Why can't Time Machine see shared drive?

I am having trouble setting up a Time Machine backup to a shared network drive. I have an external drive plugged into a MacBook Pro (MBP), and I want to use Time Machine to remotely back up a MacBook ...
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Time Capsule and multiple Macs

Does the Time Capule support Time Machine backups from multiple macs out of the box?
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Is it okay to install OS X on an external drive, and then install that drive as an internal drive?

My internal drive is suffering hardware failure, so I bought OS X Snow Leopard (to upgrade my iMac from Leopard), a new drive, and a cheap external USB 2.0 enclosure. My plan is to install a clean ...
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How / is it possible to compare files on your hard drive with those in your time machine backup?

I have snow leopard and have been using time machine to regularly backup files. How / is it possible to compare files on your hard drive with those in your time machine backup? I know you can ...
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Can I use a time machine volume to store additional data?

I have a large external hard drive that I am using as a time machine backup volume. Since I don't need all the storage space for backups, I'm considering storing additional data on the drive. Is there ...
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How do local TimeMachine backups work exactly?

Since Mac OS X 10.7 (Lion) TimeMachine performs local backups to /.MobileBackups if enabled (tmutil enableLocal, default enabled on portable macs). The different types of backups are color encoded in ...
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What would I lose if I needed to reinstall from a Time Machine backup?

Is there a list somewhere of the areas of the hard drive that aren't backed up by Time Machine? And does reinstalling from Time Machine install everything from the backup or just parts of it? I like ...
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How to delete a folder, even in every backups of Time Machine?

I just noticed that a folder containing personal documents was still on my main disk. I copied to my personal disk (password protected), but I want to also delete the copies which are stored in the ...
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Backing up a Boot Camp partition

I see in the Time Machine options that my Boot Camp partition is excluded. I haven't even tried to remove it from the list of exceptions since I have read that Time Machine will not work with NTFS ...
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Would reformatting my Mac and restoring the latest Time Machine backup be likely to improve its stability?

My MacBook Air used to be rock solid, but it has grown increasingly unstable over the past year. For example, this afternoon I can't switch to my other user account. I select the account from the fast ...
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How do I move a USB Time Machine backup to a Time Capsule?

Is there a safe way to move a Time Machine backup on an external USB hard drive to a Time Capsule?
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How do I stop my Mac from attempting Time Machine Backups?

I have a 2005 PowerBook running 10.5.8 that, in its previous life, was my personal, full time machine that I used all the way through graduate school. It has been relegated to very light duty in the ...
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10.7 FileVault & TimeMachine

I would like to know if turning on FileVault affects TimeMachine Backups; if yes how? (E.G. Do the backups become encrypted? etc.)
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Is there a limit on the number of Macs that can use a single 2TB Time Capsule?

I am looking at buying a few of the 2TB Time Capsules for our office, where we have about 20 unibody MacBook Pros with 128GB SSDs. Is there a limit on the number of Macs that a single 2TB Time ...
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Time Machine doesn't backup folders with same name as user

Let's say my OS X user's folder is called Attila and I have a folder with the same name in a folder, e.g. ~/Xcode/Attila/. Now, if I do a Time Machine backup, the ~/Xcode/Attila/ folder won't be ...
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Prompt When Ejecting Time Machine Drive

Whenever I eject the external drive that I use for Time Machine, I get this prompt: However, in actual fact, this particular drive has got only ONE (1) partition, so it's rather annoying that I ...
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Time Machine — ‘Sparsebundle already in use’ error

A few days ago, Time Machine on my Mac reported an error: ‘Sparsebundle already in use’. Manual unmount of the Time Capsule didn't help, nor a reboot of my machine. Removing and re-selecting my Time ...
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Can I use my Time Capsule with other OSes?

I have two Macs at home which use Time Machine to back up to a shared Time Capsule. Does anybody know of any tools or methods for other operating systems to perhaps make use of that back-up facility? ...
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Does Time Machine Copy Renamed Files?

Okay - so I have a relatively simple question but can't find a clear answer. Say for instance I have a large video file in FolderA named something.avi. Time Machine then makes a pass and backs this ...
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Can't restore to backups after removing disk in Time Machine

I've been using a WD 2TB HD for the last two months to handle my Time Machine backups for my Macbook Air. Yesterday, I wanted to set it up to handle backups through the network. In the Time Machine ...
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How to preserve Time Machine backups and start over with a new one?

I make my Time Machine backups on an external hard drive. Recently I upgraded from Mountain Lion to Mavericks. Now I need the ability to freeze those old backups I've done with Mountain Lion in case I ...
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Are Time Machine backups to an external disk attached to a Time Capsule supported?

My 1 TB Time Capsule drive is full with Time Machine backups. I'd rather spend $130 on a 3 TB drive than $500 on a new 3 TB Time Capsule. Is an external drive attached to a Time Capsule supported ...
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Where does System Preferences store the name of the Time Machine Destination

I am trying to create a script to determine the destination of time machine on a number of computers I manage. It shows very clearly via Time Machine Settings in System Prefs. I need to be able to ...
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Is there a faster way to copy time machine files from one disk to another?

I'm trying to move my time machine backup files all under Backups.backupdb to another drive. I initiated a file copy overnight (b/c I saw that it took OSX forever to prepare for the copy...it ...
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Why is mds using so much Real Memory?

I notice that mds is almost always on top for use of Real Memory. I wouldn't mind if this wouldn't be also the case when Free Memory runs out. Usually mds uses over 600MB on a system with 4GB (I ...
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Verify Time Machine Encryption from the Command-Line?

Is it possible to verify whether a given Time Machine volume (for example, returned by tmutil machinedirectory) has encryption turned on? This is for regulatory compliance, so it needs to be fully ...
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Finder too optimistic about free space?

Below is a storage overview from "About this Mac" on Lion, running on a Macbook Air. It says: backups 71.07 GB. No data is in the "Other" area, which seems a bit weird, because I have at least 20 GB ...
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How do you lengthen the amount of time that Time Machine keeps hourly backups?

Time Machine keeps hourly backups for 24 hours by default before purging for daily backups and I'd like to extend this further (to a week of hourly backups). Is there a way to change the backup ...
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Missing Time Machine Files caused by FSEvents Failure?

I recently did a clean install/upgrade to Mac OS 10.8.2. I did a final update of my ongoing Time Machine Backup and verified Disk Integrity. After reinstalling and restoring my files, I have learned ...
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Cannot “Enter Time Machine” from Mountain Lion

Upgraded to Mountain Lion yesterday. Time Machine backups continue to run without any reported errors. (Backups are to a HD shared by a Lion Server on the network). Problem is When I choose Enter ...
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How do I use time machine to restore my entire computer, rather than a file?

Is is possible? What is the easiest (most hassle-free) way of accomplishing this?
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Alternative backup solution for a mac?

I know that we can easily use time machine. However, i wonder if there exist any other way to backup the data on my macbook? Since I do a lot of modification to the system and sometimes make it has ...
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Time Machine - List of Files that were backed up

I'd like to know to see which files are getting backed up by my time machine? I often see a large amount of data being transfered and I'm not sure sure what it is.
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How do I encypt Time Machine with Mac OS X Lion?

I am thinking about upgrading to Mac OS X 10.7 Lion, because it offers full disk encryption. However, if I use Time Machine with on an external hard drive, will the Time Machine backups be encrypted ...
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Can I access TimeMachine data from a machine other than the one that was being backed up?

I have an iMac with a dead internal drive. And I have it's TimeMachine drive. I'd like to know that the TimeMachine-based data is safe and sound so I'd like to restore it to my MBPro. But not over top ...
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Fastest way to delete all Timemachine Backups for a machine

What is the recommended way to get rid of a whole TimeMachine archive (aka Backups.backupdb)? Using Disk Utility to erase the whole disk is not an option. I moved everything to the Trash, but ...
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Time Machine External Drive

What factors are important when selecting an external hard drive for time machine backups?
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Using Time Machine with Virtualization (Parallels, VirtualBox, VMWare, etc…)

Since a single small change to a VM file should (I think) cause the entire multi-gigabyte file to be backed up again, are there any ideas I can use to more effectively backup my machine? Assume that ...
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Is my private key available in the Time Machine backups? Where can I find it?

I've used Time Machine on my Mac to perform backups of my Lion install. My SSD failed and I installed Mountain Lion on my machine. Now, I want to recover my private key from my backup so I can ...