You do not need to analyze a drive before you defragment it, but we recommend that you do to determine the shape it's in and whether defragmenting is really needed.
You can use Defraggler to perform a standard defragmentation, or you can run a Quick Defrag. The Quick Defrag will typically run much more quickly, but will not have as thorough a result as the standard defrag.
NOTE: To exclude certain files or folders from defragmentation, see this topic first.
To defragment a drive:
- In Defraggler, select the drive you want to defragment at the top of the window. You can also select multiple drives (using CTRL) which will be defragged in the order of drives.
- To run a standard defrag, click the Defrag button. Or, to run a quick defrag, click the down arrow on the Defrag button, and then click Quick Defrag.
- Defraggler defragments the selected drive. You can pause or stop the process at any time using the Pause and Stop buttons.
- Once defragmentation is complete, Defraggler will display a list of results. To see the results of other drives, simply click on the chosen drives.