Back Up Devices

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My back up device backs up regularly but only new items since the previous back up.
If I get a new back up device will it back up from scratch or should I restore all content on the old device back to my pc?
Or put another way if I replace my existing device with a new one will it treat everything as not yet backed up?
Hmm
Thanks

[SiennaHughes]

Yes, you can replace old with new device.

There is one more question during Backup. options are as

1. Copy.
2. Normal
3. Differential.
4.Incremental.
5. Daily.
you can choose and one of them for your backup service.

for more help come on to this site...http://www.iyogi.co.uk

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Dear SiennaHughes
Your answer is gobbledegook and from what I've read it seems you are not welcome here due to your self serving motives

[fo3nix]

I'm a bit confused by what you're calling a backup device. Do you just mean an external hard drive?

What you're describing is an incremental backup system --- you do it once at the start to backup everything, then each subsequent time only the new files are backed up. It makes it a lot faster than doing a full backup every time.

If you buy another external hard drive, you will do a full backup the first time again, and then continue incrementally.

[ACtheTROLL]

agree/disagree

if incremental backup is set there are a couple of sub options
mirror - add/remove files as they are created/deleted
copy new - copy new/changed files, but leave files deleted from main

so it depends on your package - there could be files on the device that are no longer on the main machine.