SanDisk Extreme USB 3.0 - 64 GB

I have Windows 8.1 installed on Sony Vaio.

It prompted me to created  a recovery media on any drive.

I created a recovery media on SanDisk Extreme USB 3.0 - 64 GB USB drive.

After the creation of recovery media it shows total space as  31.9 GB out of total of 64GB on my pen drive and renamed the drive as RECOVERYUFD. Please see the screen shot.

Please advise how can i recover full 64 GB back on my pen drive and what happened to the extra drive capacity.
SanDisk.png
gram77Asked:
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KimputerCommented:
FAT32 has a max 32GB volume size. Go to disk management (start > run > diskmgmt.msc)
Make a new partition from the other 32GB marked as free space.
rindiCommented:
Why do you need to recover data on the stick? The point of recovery media is to only use it for recovery, so create the recovery media and then lock it safely away, and only touch it when your disk fails and you have to replace it with a new one, so you can return the system back to the factory state.

You should never use recovery sticks for storing other data, as whenever you use it you could damage it, and USB sticks in general aren't exactly long lasting, particularly when used often.

The recovery media tool of Windows 8.x partitions the stick to approximately the same size as your PC's recovery partition, and windows won't recognize other partitions on USB sticks. If you don't want to use the stick for recovery, you can delete the partition, create a new one, and format it.

What has been mentioned above isn't true either, FAT32 isn't limited to 32 GB in size. You can have much larger disks formatted with FAT32 without problems.
nobusCommented:
can you go to disk management, and reformat the drive?  then you have all the space back

the data probably is lost - since you created the recovery media - and overwrote the data
you can look with Getdataback if it still finds data : http://www.runtime.org/
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gram77Author Commented:
I formatted the pen drive it is again showing 32 GB instead of 64GB total capacity.
Formating.png
Formatting2.png
rindiCommented:
You have to delete the partition on it, then create a new one before formatting it. OR use the tool below, it includes a special formatting tool for USB sticks:

http://www.winsetupfromusb.com/downloads/

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nobusCommented:
gram77Author Commented:
I downloaded: WinSetupFromUSB-1-6-beta2.exe and formatted the SanDisk 64 GB pen drive.
After formtting, i see capacity as  64,001,638,400 bytes which is around 64 GB however, windows is calculating it as 59.6GB. Why?

What's gone wroing with the extra diskspace of 4 GB.
USBFormat.png
rindiCommented:
The OS always sees less than what the manufacturers advertise. For example 1KB is actually 1024B, and for the manufacturer it is 1000B, and 1GB is actually 1024KB, and not the 1000KB the  manufacturer says. They just use different measurements for their calculations.
gram77Author Commented:
Awsome!. Thanks for your help
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