Similar to this issue, if you are dealing with a set of zip files that do not include numbered file extensions (foo.z01, foo.z02, etc) and are simply multiple zip files that should be unarchived together into the same directory, the following worked for me:
First, install a compression tool to unarchive or unzip multipart files. Below, a list of tools that you can use to unzip multipart files. There are MANY more tools available online but here are a few you can try.
open multi part zip file mac
For a multipart zip coming from a Google Drive download I tried several of the explained methods but didn't work (well). I could finally do it in a simple way from the terminal:unzip filename.zip.001when finished extracting the same with the next part:unzip filename.zip.002and so on ...
A ZIP file bundles and, if possible, compresses multiple other files into a convenient and smaller package. However, the ZIP file may still be quite large and cumbersome to transport over the Internet. Split a large ZIP file into multiple parts to allow it to be more easily transported to customers or business partners over the Internet via email or a file-sharing service. You can do this from the terminal window of your OS X Macintosh.
For anyone coming here from a general search about combining zip files but specifically to combine multipart zips from Google Drive, I found this answer to be the one that worked: -to-unzip-multiple-zip-files-into-a-single-directory-structure-e-g-google-d
The application is simple to use, and it can easily archive files, folders, images, PDF files, videos, and any other file type. The application can also extract multiple zip archives simultaneously, which can come in handy.
File splitting is basically dividing a zip file into two or more smaller pieces that include all the files originally contained in the first zip file. If your original zip file is too large to send via email, one solution is to uncompress it, divide the constituent files up into separate folders, and zip them individually to send across multiple emails.
Zip files are incredibly useful for combining multiple smaller files into one place. But it can be awkward to share them if a zip file is too large to attach an email. Splitting zip files into several smaller files lets you spread them over multiple emails or data transfers. Use WinZip to securely split your zip files in just moments, safe in the knowledge that the files inside will remain safe and untouched. Download WinZip to try it for free today.
In general, the HIRO will not create a single zip file larger than 1.5 GB in size because files of that size can often cause problems when you attempt to open them (particularly with older or 32-bit operating systems). However, it is not uncommon for users to request image data in amounts that would exceed this size even with the best compression software available. As a result, the HIRO takes advantage of a zip feature known as "volumes" (also known as a split or spanned archive).
When zipping large amounts of data, the HIRO will use its archiving software to split the large zip file into several volumes. Each volume has the same maximum size; once that size is reached for the first volume file a new volume file is created. This process continues until all of the data has been compressed. For example, assume you have requested a large number of scans and when compressed your data shrinks to 4.75 GB in size. If the HIRO were to provide you with a single 4.75 GB zip file, you might encounter problems when you attempted to open or unzip it (in fact, zip files of this size are impossible to open on 32-bit systems). Splitting the zip file into 1 GB volumes would circumvent this issue, and would look like this:
unzip master.zipArchive: master.zip End-of-central-directory signature not found. Either this file is not a zipfile, or it constitutes one disk of a multi-part archive. In the latter case the central directory and zipfile comment will be found on the last disk(s) of this archive.unzip: cannot find zipfile directory in one of master.zip or master.zip.zip, and cannot find master.zip.ZIP, period.
You can use WinZip to split Zip files (.zip or .zipx) into smaller pieces. A split Zip file will have multiple segments that are all of a specified size. The following lists gives several reasons why you might want to create a split Zip file.
Depending on the number of segments, the result is a sequence of files named filename.z01, filename.z02, and so on, ending with filename.zip. The naming convention for split Zipx files is filename.zx01, and so on, ending with filename.zipx. We recommend that the recipient of these files use the current version of WinZip to open and extract the contents of the split file, although WinZip 9.0 or later can be used if newer, advanced compression methods are not involved.
Have you gotten zip/rar archive that contains multiple volumes or parts? Do you want to extract a single file from the multi-part zip/rar archive to view its content? Do you know how to extract all files from the zip/rar archive that has been compressed in several volumes at once?
If there are some parts or volumes are in different location, please move all of them to the same folder or location. Otherwise, you will get unforeseen errors during the multi-part archive extraction.
Navigate to the directory where the split rar/zip files are saved, confirm all of parts are there and choose the first file in the sequence (.001 or .part01). Then click Open button. Then it would appear in WinRAR.
After first file of split rar/zip file is open in WinRAR, just select the file you wish to extract from split rar/zip file. Surely you can select all of them contained in first file or only select one you want to view content.
Tips: Multi-volume zip/rar file is created usually for fitting disk or optical media limits. And when lots of large files, such as video or image files have to be compressed and sent to others as attachment, multi-volume zip/rar file becomes useful to decrease the attachment file size by sending email separately. In this case, people who receive these emails and wish to view the attachment content, should have all the files in the same location and extract the first part or volume of them with WinRAR.
According to this comparison image provided by Compression Ratings, RAR files achieve much higher compression, especially on multimedia files. They are also easier to split or to recover once corrupted than other alternatives like ZIP or 7Zip files.
Another great open source app, the B1 Free Archiver serves as an all-in-one program for managing file archives. As you can see from the screenshot above, this tool allows you to create, open and extract archives. It opens .rar, .zip, and 35 other file formats. Besides Mac, there are also versions for Windows, Linux, and Android.
UnRarX is a simple utility designed to expand .rar files and restore corrupted or missing archives with .par and .par2 files. It has an extraction function as well. To do this, simply open the program, drag your archive files into the interface, and UnRarX will unpack the content to the specified destination.
RAR Expander (Mac) is a clean GUI utility for creating and expanding RAR archives. It supports single, multi-part or password-protected archives. It also features AppleScript support and includes example scripts to help you handle multiple archives at once.
There are two classes of type: discrete and multipart. Discrete types are types which represent a single file or medium, such as a single text or music file, or a single video. A multipart type is one which represents a document that's comprised of multiple component parts, each of which may have its own individual MIME type; or, a multipart type may encapsulate multiple files being sent together in one transaction. For example, multipart MIME types are used when attaching multiple files to an email.
Except for multipart/form-data, used in the POST method of HTML Forms, and multipart/byteranges, used with 206 Partial Content to send part of a document, HTTP doesn't handle multipart documents in a special way: the message is transmitted to the browser (which will likely show a "Save As" window if it doesn't know how to display the document).
A message that encapsulates other messages. This can be used, for instance, to represent an email that includes a forwarded message as part of its data, or to allow sending very large messages in chunks as if it were multiple messages. Examples include message/rfc822 (for forwarded or replied-to message quoting) and message/partial to allow breaking a large message into smaller ones automatically to be reassembled by the recipient. (Registration at IANA)
Data that consists of multiple components which may individually have different MIME types. Examples include multipart/form-data (for data produced using the FormData API) and multipart/byteranges (defined in RFC 7233, section 5.4.1 and used with HTTP's 206 "Partial Content" response returned when the fetched data is only part of the content, such as is delivered using the Range header). (Registration at IANA)
As a multipart document format, it consists of different parts, delimited by a boundary (a string starting with a double dash --). Each part is its own entity with its own HTTP headers, Content-Disposition, and Content-Type for file uploading fields.
When the 206 Partial Content status code is sent, this MIME type indicates that the document is composed of several parts, one for each of the requested ranges. Like other multipart types, the Content-Type uses a boundary to separate the pieces. Each piece has a Content-Type header with its actual type and a Content-Range of the range it represents.
\n There are two classes of type: discrete and multipart.\n Discrete types are types which represent a single file or medium, such as a single text or music file, or a single video.\n A multipart type is one which represents a document that's comprised of multiple component parts, each of which may have its own individual MIME type; or, a multipart type may encapsulate multiple files being sent together in one transaction.\n For example, multipart MIME types are used when attaching multiple files to an email.\n 2ff7e9595c
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