I don't believe you can recover a file from a USB drive if you don't have the USB drive.
I keep backups of the files.
You should be able to save any file onto a USB flash drive provided the drive is working and there is adequate space on the drive for the file.
If the pen drive is a standard USB drive then think about upgrading to a USB 2.0 drive, your computer must have a USB 2.0 port as well. USB 2.0 will transfer data much quicker than standard USB. Another option is to use a file compressing software to make the file smaller that you are transferring to the Pen drive. Smaller file, less to move. www.winzip.com
The USB drive is not mounted properly.
The way you can recover lost data on an USB is: start to delete the files, and than use a file recovering program. A lot of programs has recovery files
Well you could possibly right click the file and save as, then navigate to your usb drive and it should download there
A USB can store anything that can be represented by a computer file, so yes.
Format the drive
In order to transfer a movie from a PC to a USB flash drive, you will need to attach the USB drive to your computer. Once you find the movie file on your PC, you will need to select the file and either paste or drag it to the USB drive.
Files that are larger than the USB Capacity. Example: 2.3GB file on a 1GB Flash Drive cannot be copied/saved on the USB
Just connect the device on the USB port and right click on the file to be sent and select the usb location.
If opened a file on your USB drive, if you saved by just clicking save or Crtl+S, it will still be on the USB drive. Some programs however have a temp folder, where it may store recently opened files. To find it, go to my computer-> search -> Type "temp [The program the file was opened in] ->Enter the search and you may find it there.
You can try to recover a deleted file with special software that uses unique modern algorithms to recover files that other software either recovers incorrectly or is unable to detect. You can use software that can recover deleted, formatted files from PC, external hard drive, USB flash drive etc. Moreover, a program may be able to also recover lost files due to virus attack. A program may also be equipped with four critical modules:"delete recovery", "format recovery", "partition recovery" and "raw recovery" which will meet your different demands.