It comes into play when the backup drive is unavailable or offline. The Size of offline cache option determines the space used on your primary drive as a temporary File History repository. Over time, this setting won’t affect the size of your backups one way or the other. Higher-frequency backups will move changed files into your backups sooner, but if no files have changed, no files are copied. But File History backups are incremental only files that have changed are included in the backups. For example, the Save copies of files option sets the frequency of backups - by default, once per hour. The other advanced settings are less important for controlling disk space. The Clean up versions option lets you delete backups of various ages. This will give you maximum use of your backup drive while ensuring that you won’t actually run out of backup space.įigure 2. This option keeps backups for as long as possible, but when your backup drive is about to run out of space, the oldest backup sets are automatically purged to make room for the newer sets. The setting I prefer is Until space is needed (see Figure 1). Obviously, your collection of backup sets will eventually get huge! By default, this setting keeps all backups forever. The Keep saved versions setting is the key to managing the disk space consumed by File History backups. To access the advanced settings, click Control Panel\System and Security\File History then click the Advanced settings link on the left side of the File History window. pst file out of File History’s reach will definitely reduce the size of your File History backups, but there’s an obvious downside: your Outlook data files then aren’t backed up.Īs noted above, File History’s Advanced settings options give you more control over backup size. pst) to a different folder,” and the related article, “How to locate, move, or back up your personal folders (.pst) file in Outlook.” You’ll find instructions in the MS Support article, “Move an Outlook Data File (. pst file in an alternate location is perfectly acceptable. pst file in your File History backups, you’ll have to move the file to a location that’s not targeted by File History. Outlook 2010, for example, stores files in your …\Documents\Outlook Files folder. Outlook’s files are normally included in File History backups because they’re in one of the areas that File History automatically targets. It will also back up local (offline) copies of OneDrive files and folders, if you have them. Recall that File History backs up the files stored in Libraries (by default Documents, Music, Pictures, and Videos) plus several other default folders: Desktop, Favorites, and Contacts. Instead, the way to keep any unwanted file out of File History’s backups is to prevent File History from backing it up in the first place. You can do that - but the method is kludgy.Īs you discovered, File History isn’t designed to let you delete one specific file from a previous backup set. You’ll see why in a moment.īut you asked specifically about getting one large file - outlook.pst - out of your backups. I recommend using those settings if you can. There are several ways to control the size of File History backups the best options are found in File History’s Advanced settings windows. “How do you delete files such as outlook.pst that are taking too much space in the File History backup volume?” I occasionally use Outlook, and copies of outlook.pst have rapidly filled up my backup drive. But how do you delete files from File History backups? “Fred, in your ‘Customize File History’s backups with ease’ article, you described how to add files to File History backups.Reader Bill Dornbush’s File History backups were getting huge, and his solution - deleting specific, large files from File History - didn’t work. Plus: How to disable the constant background operation of Chrome, and a new, free app that combines 68 different anti-malware engines into one scanner.Ĭontrol File History’s appetite for disk space Win8’s always-on, automatic backup system - File History - can consume huge amounts of disk space but it’s easy to control, once you know the tricks. LANGALIST PLUS How to shrink huge File History backups
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