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How to recombine (join) split ZIP files (.001, .002...) into a single ZIP archive under Windows or OSX

Composed by: that-ben
On: 2019-02-11 12:54:25
Updated by: that-ben
On: 2019-03-28 07:32:17

When you come across split ZIP files that look like sequential part numbers, before extracting files out of the archive, you first need to join the split files together into a single, complete, ZIP file.  A split ZIP file could look like this, for instance:

691-5088-A.zip_.001
691-5088-A.zip_.002
691-5088-A.zip_.003
691-5088-A.zip_.004

 

Under Windows

Open a command prompt and navigate to the folder containing all the ZIP part files.  Once you're under that folder, adapt the following command (here based on the part files listed in example above) to your situation:

copy /B 691-5088-A.zip_.* 691-5088-A.zip

What this does is to create a combined file (copy) from all the ZIP parts and save it as 691-5088-A.zip which you can then expand normally.

 

Under Mac OS X or Linux

Open a Terminal window and navigate to the folder containing all the ZIP part files.  Once you're under that folder, adapt the following command (here based on the part files listed in example above) to your situation:

cat 691-5088-A.zip_.* > 691-5088-A.zip

What this does is to combine (cat) all the files into a single file named 691-5088-A.zip which you can then expand normally.

 

Under classic Mac OS (9, 8 or 7)

Use ChunkJoiner.  Select all the .001, .002, .003, etc ZIP part files all at once then drag and drop the files selection onto the ChunkJoiner app icon and save the recombined output a file name.  If dragging and dropping files onto the app icon doesn't work, rebuild the desktop once before using this app so that the Finder knows that this app accepts all file types.

 

That's it :)

 






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