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

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How would TimeMachine work with two external (destination) drives?

I would like to backup my data to two external drives. That way I would like this to work is that both disks should have have a full backup of my internal disk. Is this the way TimeMachine would work?
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Time Machine with only one internal disk

Is it possible to use the time machine backup system without an external (or second) HD? I know that the protection to disk failure will not be guaranteed anymore, but the file accidental deletion, ...
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Find the size of a given Time Machine backup

I'm interested in determining the size of a given Time Machine Backup. This seems possible with tmutil using either uniquesize, compare, or calculatedrift, but I've been unable to figure out the ...
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Is USB 3.0 overkill for Time Machine hard drive?

I have two 500 Gb hard drives. One is USB 2.0, the other is USB 3.0. My intention is to use one of these hard drives for Time Machine, and the other for storing media files on (mp3s, mp4s mostly). ...
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How to backup a Mac running Tiger?

I need to do a full backup of a Mac running Tiger. If I use Time Machine will it capture everything I need to restore a user's data after a clean install of Lion? Are there other better mechanisms I ...
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How can I use tmutil to figure out which files just got deleted?

I'm on Lion and until ten minutes ago I didn't know that the nifty new tmutil existed. But now I'm a little uncertain with all its options and sub-commands which to use to try and figure out what went ...
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How to remove my local Backupdb.backupsdb?

On my local harddrive on my MBP retina (2014, 10.11.3) there is a Backupdb.backupsdb folder: drwxr-xr-x+ 5 root wheel 170B 2 Jan 03:32 Backups.backupdb/ I thought that folder only exists on ...
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Hardening Time Machine Security

In face of the news that there is now a ransomware for mac in the wild I thought about the security of my time-machine backups. Permissions First, I had a look at the permissions of the files that ...
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How to restore lost contacts/address book?

I suddenly have only 2 contacts in my Contacts! I have a MacBook Pro, am using OS 10.9.2. Following instructions from another answer, I looked for Address book folder in the library/App. Support ...
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Time machine full restore only shows “complete backups”

I am doing a restore of a Time machine backup to a new hard drive. The latest backup was completed on Feb 1, but I was very surprised to see that OS X Installer restore utility only lets me restore ...
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Install a clean Mavericks and then use TimeMachine makes it unclean again?

I am about to install OSX Mavericks in an iMac I have. I would love to make a clean install (creating the bootable USB with that complex procedure). I was thinking about copying folder by folder but ...
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Why is my “Encrypt backups” option greyed out for local (USB) time machine disc?

I'm using Mountain Lion on a new MacBook Pro (retina) with a local USB drive for backup. From what I've read searching around (including other questions on here) I should be able to encrypt my time ...
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How do I use tmutil to figure out what's wrong with my Time Machine?

How do I use tmutil to figure out what is wrong with my Time Machine as it keeps backing up huge amounts of data each time it back-ups although nothing has changed since the last back up? I'm backing-...
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How to coerce Lion Time Machine into offering backup history migration?

This article describes a feature I heard about from multiple sources about an automagic backup migration process that Lion will do for you. Essentially, when migrating to a new machine, you can ...
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Time Machine Backup to Samba Share under Mac OS Lion

In earlier versions of Mac OS you could enable TimeMachine to use Samba-Shares as a Backup-Target using this: defaults write com.apple.systempreferences TMShowUnsupportedNetworkVolumes 1 and create ...
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Is there a way to list the largest files and folders in Time Machine backups?

I would like to clean up my backups since there are a lot of files which I don't need to access anymore (e.g. videos, podcasts and installation packages). The problem I am facing is however that I don'...
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Why is my Time Capsule backup getting stuck on “preparing backup” or “cleaning old backups?”

Had my iMac 2009 21.5" hard drive replaced a few days ago, from a 500GB to a 1TB. This was done by an authorized Apple repair dealer. I have been trying to run backups through Time Capsule but it ...
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570 views

cannot turn off spotlight indexing on external drive

I know this question has been asked before, but the solutions suggested are not working for me. I just finished attaching a brand new external hard-drive and waiting for 14 hours for Time Machine to ...
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214 views

How do I pass a password to hdiutil attach?

How do I pass a password to hdiutil attach? I have an encrypted sparsebundle (test.sparsebundle) and it's password is "test", with no quotes. I'd like to automate opening that file. I have tried ...
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Can I use the same time machine backup for two macs?

Is it possible to use the same time machine backup for two different machines? Is it possible to take the backup of my laptop and push it to my desktop? If I make changes to one machine do the ...
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849 views

Deleting all but the most recent Time Machine backup

I just bought a new Mac and I'm manually migrating everything over given that it's been a while since I did a clean install and that the new Mac has less storage than my existing one. I will be wiping ...
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Black screen when open Time Machine on Yosemite

I use a 13 Macbook with a thunderbolt display on Yosemite. Since the installation of last osx version, if I try to open Time Machine I can only see a completely black screen on laptop screen. The ...
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Run script before every Time Machine backup?

I would like to be able to run a bash script just before Time Machine runs, every time This script generates some content to be written on a file which needs to be backed up by TM. I have looked ...
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Can I move Time Machine files from an external disk, reformat it, then restore the TM files?

I have an external USB disk which is backing up my Mac using Time Machine. I need to reformat the external disk for an unrelated reason. If I: temporarily move the Time Machine files off the ...
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Time Machine to NAS, over internet

I have a Synology DiskStation NAS that I use for Time Machine backups on my LAN. I want to be able to back up when I'm away from home. I've tried: Connecting via L2TP VPN running on Synology ...
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Accessing Time Machine for different computer

My hard drive died on Computer 1. Backed up to Time Machine. Am now using Computer 2. I need some files from the desktop of Computer 1. Can I access them on Time Machine? How? I have three ...
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Unable to mount Time Machine partition

I have a WD external HDD which is plugged into my MacBook Air more or less all the time; it has two partitions one of which is my Time Machine disk. Just today I noticed that the hard drive is not ...
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During a Time Capsule 35 Pass Erase, do I have to keep my computer on / running?

Back Story: Okay, so I just upgrade my Time Capsule from a 2 TB (802.11n) to a 3 TB (802.11ac). Yay! However, after transferring over all my files, I needed to erase my old Time Capsule Partition. I ...
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445 views

Time Machine: exclude folders with same name, now AND in the future

I want to exclude backup of proxy media in Final Cut Pro. This media is located in: ~/Movies/Final Cut Events/[Event Folder]/Transcoded Media/Proxy Media Problem is, when I create a new [Event ...
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How to search Mail in Time Machine?

I'm looking for a specific email I may have deleted, but I don't remember when I received it (it was at least a couple months ago). Digging through my Mail history in Time Machine for a single email ...
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639 views

Unable to Access Local Snapshots when external Time Machine is disconnected

My local snapshots are behaving weirdly. When no Time Machine backup is connected and if I enter time machine, I get this prompt: Your Time Machine backup disk can’t be found. …but when my ...
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Can I use TimeMachine only when on wired connection?

I have a server to which I am backing up a single MacBook Pro running Mountain Lion, via TimeMachine. I would like to only back up when the MacBook Pro has a wired connection to the network. The ...
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Restore Mac Office from TIme Machine Backup

I purchased a Mac Office license through my college, and I recently backed up and restored my Mac using Time Machine. I did not RESTORE from the Time Machine backup as a whole, but rather hand-picked ...
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protecting keychain data when using Time Machine

I plan to use Time Machine to back up by data. If the backup is not encrypted, can someone with access to the TimeMachine disk access my keychain passwords? Do they at least need to know my system ...
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Enable Time Machine to backup an SD Card?

Time Machine does not allow the inclusion of an SD Card in a backup. It is automatically listed in the exclusion list and cannot be removed. Is there any way to force Time Machine to 'see' the SD ...
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How to automatically make Mac shutdown after Time Machine Backup

How can I make my Macbook automatically shutdown after a Time Machine backup? I have a 40GB worth backup to do but I keep having to cancel it to go to bed. Would be great if I could leave it on to do ...
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Time Machine restore on new OS

I have a Time Machine backup of my MacBook running Lion. My install of Mountain Lion just failed, and I'm going to format the drive and install Mountain Lion anew. Will I still be able to restore my ...
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Restoring a MacBook from backup

I have a MacBook Pro that is just being ridiculous, so I'm planning on erasing the hard drive and restoring from a Time Machine backup. I hear that Time Machine will only restore from backups that ...
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After a Time Machine restore, now it won't do incremental back up

Due to the Thunderbolt 1.2 update, I had to restore from a Time Machine Backup, but after that, Time Machine won't do incremental back up any more. The hard drive has 250GB of free space... It was ...
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Restoring Lion/iCloud iCal from Time Machine

Well I managed to delete my calendar, which was being synched via iCloud with my Mac, iPad, and iPhone. Can I repopulate my iCal calendar from a Time Machine backup? ~/Library/ contains a folder ...
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Can the Time Capsule back up multiple drives (internal and external) at the same time?

I have a 500 GB internal HDD on my MacBook Pro and a second 500 GB external USB drive as well. Is it possible to tell Time Machine to back both the internal and external drives up to one Time Capsule?...
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Do encrypted Time Machine backups work across a network?

I see that Lion offers the option of encrypting TIme Machine backup volumes, which seems like a Good Thing. After reading up a bit on this, it seems clear that it will handle the situation where the ...
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568 views

Is it possible to use Time Machine on a shared USB Hardrive?

I've a iMac with an external HD derserved to Time Machine. I also have a MacBookPro. Is it possible to make this config : Share the disk on the iMac so that the MBP sees it on the network Ask Time ...
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How can I backup a VirtualBox VM with TimeMachine

I've read lots of different things about using TimeMachine with VirtualBox, but I haven't been able to find a very clear answer about what an acceptable configuration is. Some folks say "include up ...
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How does the visible storage on a Time Machine disk work?

I've had a computer failure and had to replace my computer with a new one. I have a Time Machine backup that I want to use to restore a large number of files from, but I don't want to do a full system ...
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MacBook Pro, iCloud Drive, Time Machine and Time Capsule 2

Can I use Time Machine and Time Capsule 2 to backup not only my MacBook Pro files, apps, etc. but also the files stored on my iCloud Drive for sharing with my other MacBook Pro and others?
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Can I back up a single folder on time machine?

Basically, I do a lot of work from home, some of which is confidential work. My company has a policy which restricts me from using any form of 'Cloud' to back my files up, so I have set up my time ...
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Where do applications store local settings?

Where does OS X store local settings for applications such as license keys, Skype favorite contacts, etc. Yesterday I was troubleshooting an issue with an Apple rep and he had me delete a bunch of ...
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Encrypt Time Machine backup images, not entire drive?

I have multiple Macs (for multiple users) backing up to a single Time Capsule over our network with an external USB drive connected. In the case of the backups saved to the external drive, they're all ...
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How to Safely Delete an in-progress Time Machine Backup on Snow Leopard

Okay, so somehow a computer I'm helping to manage has got a total of three .inprogress backups on its Time Machine drive that it doesn't seem to be able to tidy up; it's creating new backups without ...