Exporting a Portion of the Registry

by Barry Dysert
(last updated December 22, 2014)

The Windows Registry is at the heart of the Windows operating system. The Registry is a set of system files constructed into a database that contains system-level and application-level parameters on both a machine and a user basis. If the Registry were to become corrupted it could render your system unusable, so it's important to take regular backups of it so you can restore a good copy of the Registry if necessary.

The best way to protect yourself is to take a backup of the complete Registry. This can be done by creating a restore point, since the registry is included in restore points. The steps involved in doing this are given in the tip titled "Backing Up The Windows Registry". If, however, you are just making small, isolated changes, you may want to simply back up a particular "hive" (a set of Registry keys and values) instead of backing up the entire Registry. To back up a hive, you first need to display the Registry Editor. How you do this depends on the version of Windows you are using:

  • If you are using Windows 7, click the Start button, type "regedit" (without the quote marks) and press Enter.
  • If you are using Windows 8, move the mouse into the very bottom-left corner of the screen and right-click. In the resulting Context menu, click Search. In the Search box, type "regedit" (without the quote marks) and press Enter. (See Figure 1.)
  • Figure 1. The Registry Editor window.

Within the Registry Editor, right-click the hive you want to back up and choose Export from the Context menu. (The folders shown at the left of the Registry Editor window are the available hives.) Windows displays a dialog box that allows you to specify where and under what name you want to save your export.

You can save more granular portions of the Registry if you'd rather not save the entire hive. Simply use the (left) navigation pane of the Registry Editor to get to the location where you want to do the export, right-click and do the export from there.

To leave the Registry Editor click its Close button.

 This tip (12226) applies to Windows 7 and 8.

Author Bio

Barry Dysert

Barry has been a computer professional for over 30 years, working in different positions such as technical team leader, project manager, and software developer.  He is currently a senior software engineer with an emphasis on developing custom applications under Microsoft Windows. ...

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