How to Fix Spanned ZIP Archives?

Spanning of ZIP file refers dividing of a single and large ZIP file into several units. Spanned ZIP file is same as splitting the ZIP archive, but splitted ZIP file gets saved as filename.z01, filename.z02… and filename.zip for last split; whereas all splits of spanned ZIP file save as similar name such as filename.zip. One can even make ZIP file spanning with several disks or diskettes to have easy transferring or sharing of huge amount of data. However, spanned ZIP files are at risk of corruption or become inaccessible for various reasons.

In most of the cases downloaded files from online are compressed in spanned ZIP file format, due to disruptions like abrupt system shutdown, sudden power failure, improper internet connection, etc; these interruptions while downloading spanned ZIP file leads to its inaccessibility. You can even find several other reasons for corruption of spanned ZIP files, some of them are:

  • Deadly virus, Trojan horse, spyware or malware infection on spanned ZIP archive
  • Using unspecified third party tools to unzip files and folders from spanned ZIP file
  • Inadequate disk memory space while uncompressing spanned ZIP files on PC
  • Spanned ZIP archives may get corrupted due to CRC error that occur because of misplaced parity bits
  • Abnormal system shutdown or power failure while moving or transferring spanned ZIP files

In order to unzip files from corrupt or unreadable ZIP file, you should fix that spanned ZIP archive. One can go for any accurate ZIP file repair software such as Yodot ZIP Repair to fix inaccessible spanned ZIP file.

Spanned ZIP file repair software:

Yodot ZIP Repair is one of the result-oriented ZIP file repair software that can efficiently fix severely corrupted or broken spanned ZIP files on Windows system. This tool is designed with powerful scanning algorithms to repair any type of corruption issues with spanned ZIP file of both 32-bit and 64-bit. You can also repair damaged archives in .ZIPX or .7Zip file format by using this utility. On other hand this program even has the capability to fix and unzip encrypted ZIP file along with password protected ZIP archives. This Zip file repair software is capable of fixing corrupt spanned ZIP file present in any external storage devices. Furthermore, one can install this application on Windows computer running with Windows 8.1, Windows 8, Windows 7, Windows Vista, Windows XP, Windows Server 2008 and 2003 operating systems.

Steps for repairing spanned ZIP files:

  • Download Yodot ZIP Repair application to Windows desktop / laptop
  • Open the software and follow the on-screen instructions
  • From main screen select “Browse” option to choose corrupt or damaged spanned ZIP file, which is to be fixed
  • Start repair process by clicking on "Repair" button
  • The tool starts repairing corrupted spanned ZIP archive
  • View repair process in progress bar shown
  • After completion of repair process, the program shows all files and folders from spanned ZIP file, click on “Next” button
  • Use “Save” option to save extracted files from spanned ZIP archive to desired location on PC
  • Then software allows you to save repaired spanned ZIP file to external storage devices like pen drives, external hard drives, etc

Points to Note:

  • Ensure that you have sufficient disk space before unzipping spanned ZIP file
  • Backup essential spanned ZIP files on more than one storage device
  • Wait a while before accessing downloaded spanned ZIP file from internet to get it download completely