Does Clean Install Wipe All Drives Exclusive -

During the installation process, if you manually select every single partition on every single drive and delete them, your entire machine will be wiped.

Apple users have a slightly different landscape due to the Apple Silicon chips (M1/M2/M3) and Intel T2 security chips.

If you select Drive 0 and click "Format" or "Delete" on the partitions, only Drive 0 is affected. Your secondary drives (Drive 1, Drive 2) sit there, untouched and invisible to the formatting process unless you manually select them and hit delete.

A typical PC has multiple "volumes" (drives or partitions). For example: does clean install wipe all drives exclusive

Here's a simple guide to follow for a worry-free clean install when you have multiple drives:

The most important fact to remember, and the one that makes the answer "exclusive," is that a clean install . Any other physical drives (e.g., a secondary HDD or SSD) connected to your computer will be completely unaffected by the process. A clean install on Drive 0 (usually your primary disk) will have no impact on Drive 1.

Remember that while a clean install doesn't wipe secondary physical drives, it will sign you out of OneDrive, Dropbox, or iCloud. You will need to re-sync those folders once the new OS is up and running. The Verdict During the installation process, if you manually select

During the installation phase, you will be presented with a menu asking, "Where do you want to install Windows?" (or the equivalent on macOS or Linux). This screen displays a list of all connected drives and their respective partitions, often labeled as Drive 0 Partition 1 , Drive 1 Partition 1 , and so on.

While the operating system will not wipe your secondary drives automatically,

If you clean install Windows onto and delete its partitions during setup → only Drive C is wiped . Drives D and E keep all their data. Your secondary drives (Drive 1, Drive 2) sit

Once the clean install finishes and you boot into your fresh operating system, your secondary drives may not show up immediately in File Explorer. This is normal and does not mean your data is gone.

To guarantee that your secondary drives remain untouched and exclusive of the installation wipe, follow this failsafe checklist.

However, there is a critical difference: during the Reset This PC process, you may be presented with an option that asks whether you want to remove files from "Only the drive where Windows is installed" or "All drives." If you choose "All drives," the reset will erase data from every connected drive—not just the system drive. By default, resetting your PC only deletes files from the drive where Windows is installed, but you must pay close attention to avoid selecting the "All drives" option.