splitting a large Acronis image file & join back later in Windows/MSDOS (equivalent of Unix split)

Hi,

I've created a number of large Acronis image backup files (.tib) & this is
filling up our NAS disk space.

I'll need to burn it into DVD to housekeep the large .tib files.

BTW, there's on 4Gb Acronis .tib file which will always give me
error when I burn to a DVD-R using Nero (spoilt 3 pcs of DVD-R)
 but when I used a DVD+R with Sonic, it could burn Ok

What tool can I used to split them, burn them as "Data DVD" &
when needed, join them back & Acronis should be able to
use the joined file for restoration.

In Unix, "split" is used that could specify size of the output
file & then "cat xxx >> yyy"  to join the split files back

sunhuxAsked:
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Lee W, MVPConnect With a Mentor Technology and Business Process AdvisorCommented:
External disks must be formatted as NTFS to accept files larger than 4 GB.

As for a way to split the file, first, I recommend using Acronis' built in ability chop up the files - I usually use about 1450 MB as the file size.

If it's too late to create a new image, I would then use WinRAR to chop up the existing file into smaller chunks.
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Lee W, MVPConnect With a Mentor Technology and Business Process AdvisorCommented:
You should be able to burn 4 GB files, but you'll have to use UDF format disks.
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sunhuxAuthor Commented:
Thanks, any utility to split & then join back a large file (a 25Gb file)?

Also, I ran into another problem :
I map a drive on my PC to the NAS' share & tried to copy
(MSDOS copy)  a 25Gb Acronis image file down to my
PC's USB connected external disk & it says
"not enough disk space" but my USB disk
has almost 200Gb of free disk space
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sunhuxAuthor Commented:
Thanks for giving me the idea about using WinRAR : found that the
freeware 7-Zip could create a zip file that's chopped up into
smaller chunks too.
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sunhuxAuthor Commented:
Thanks for WinRAR idea : found that the free 7-Zip can split up files too
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