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Frequently Asked Questions

 
   
  1.

What is DataNumen Zip Repair?

   
DataNumen Zip Repair(DZIPR) (formerly Advanced Zip Repair) is a powerful tool to repair corrupt Zip files and Self Extracting files(SFX). It can recover your data in zip archives as much as possible, thereby minimizing the loss in file corruption.
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  2.

Which types of ZIP and SFX can DataNumen Zip Repair be used with?

   
DataNumen Zip Repair(DZIPR) supports all versions of Zip format (up to ZIP File Format Specification Version 6.2) and all kinds of SFX files created by different applications.
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  3.

How to repair a split zip file?

   

To repair a split zip file(assume the file name is 'mysplit.zip'), please do as follows:

  1.

Download freeware DataNumen File Splitter and install it on your computer.

  2. Start DataNumen File Splitter.
  3. Click the "Join" button.
  4.

In the "Join" dialog, select all the split files and add them to the source file list.

  5.

Make sure the order of the parts in the list is same as their original order, that is, mysplit.z01 is the 1st one and mysplit.z02 is the second one, etc. and mysplit.zip is the last one.

Use the "Move Up" and "Move Down" button to adjust their order if necessary. If one part is missed or corrupt, then you can just ignore it, but you still need to keep their order. For example, if part 2 is missed, then just make sure the parts in the list is mysplit.z01, mysplit.z03, ..., mysplit.zip.

  6. Set the destination file name, such as mysplit_merged.zip
  7. Click "Start Join" to join the parts into the destination file mysplit_merged.zip.
  8.

After the join process is completed, you can start DataNumen Zip Repair and repair mysplit_merged.zip as a normal zip file. The fixed file will contain the data of all parts of the split Zip file. You can open it with popular Zip utilities, such as WinZip, WinRAR, etc.

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  4.

How to repair a spanned zip file?

   

The internal data and structures of spanned Zip files are identical to those of split Zip files. The only differences between them are the names of the parts of the file, that is:

Each part of a split Zip file has a different extension (such as 'mysplit.z01', 'mysplit.z02', etc., and 'mysplit.zip' for the last part). While all parts of a spanned Zip file have the same name (such as 'myspan.zip').

Therefore, the way to repair your spanned Zip files is just similar to that for split Zip files(assume your span file name is 'myspan.zip'), as follows:

  1.

Create a temporary folder on your hard drive, assuming it is C:\TempFolder\.

  2.

Copy myspan.zip on the first zip disk to C:\TempFolder\ and rename it to myspan.z01

  3.

Copy myspan.zip on the second zip disk to C:\TempFolder\ and rename it to myspan.z02

  4.

Repeat step 3 until myspan.zip on all the zip disks have been copied to C:\TempFolder\ and renamed based on their order. Note the myspan.zip on the last zip disk does not need to be renamed.

  5.

Follow the instructions in repairing a split zip file to repair the spanned Zip file.

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  5.

Why did DataNumen Zip Repair fail to repair my Zip file?

   
Contact our technical support: support@datanumen.com . If possible, please also save the repair log into a file (make sure the "Include System Information" option in the save file dialog is selected) and attach it to your e-mail.
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  6.

How can I order the business license of DataNumen Zip Repair?

   

DataNumen Zip Repair is COMPLETELY FREE for PERSONAL, NON-COMMERCIAL use. ALL functionalities are available WITHOUT ANY LIMITATIONS. For COMMERCIAL use, you need to order the business license. The price for the business license (single license) is USD 49.95.

Please click here to order now or get more ordering and payment information. We accept all major credit cards, Maestro (UK), giropay (Germany), iDEAL (Netherlands), Bank/Wire transfer, WebMoney, Purchase orders, PayPal, Checks and Direct Debit.

If your company or institution is interested in licensing DZIPR for several users, you can save a lot of money by purchasing a volume license.

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  7.

What happens after I send in the order?

   
In general, you can download the full version of DZIPR immediately after sending the online order form.

If you do not get your full version... or if you've lost it (Hey, it happens! :) ... please email us at sales@datanumen.com . Please include your name, address, email address, and order confirmation number (if you have it). We will be happy to help you.
    We will be happy to help you.
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