Download 9 ZIP - open rar, zip, 7zip, gzip for Windows 10 for Windows to 9Zip make it easy compress and uncompress Zip file. So you downloaded this file you can't open? Don't be fooled by the name — Archiver is a highly versatile unarchiver that can unpack pretty much any archive you throw at it. With Archiver you can extract RAR, StuffIt, Zip, 7zip and many more popular (and not so popular!) archive file formats.

Dec 21, 2020 • Filed to: Recover & Repair Files • Proven solutions

Dealing with the number of files for the same project? You need to compress them in a zip file and keep things hand and easy. But wait! Are you facing any error like 7zip cannot open the file as an archive? Have you ever thought about the reasons behind this error and incase if this error pops up on your screen, what you are going to do to get rid of it. Then here is what you need to read and follow. This article is all about telling what 7-zip is and how the issue of 7z cannot open the file as an archive can be resolved. Below mentioned are some proposed methods that only need steps to follow and you will be done with ruling out the error.

7-zip is said to be the open-source file archiver that compresses the huge number of files in compressed containers which are termed as archives. It creates archives that contain different directories and files. These archives consist of 4 kinds of blocks that carry data. Any issue with any block may cause an error i.e. 7zip cannot open the file as an archive. Following are the blocks:

• The start header (32 bytes), this contains signature and link to End Header
• The compressed data of files
• A compressed metadata block for files i.e. it contains links to Compressed Data, information about compression methods, CRC, file names, sizes, and time stamps.
• The end header: it contains a link to Compressed Metadata Block.

The common issue faced by the users while using the 7-zip is the 7z cannot open the file as an archive. This issue carries one or other reasons which are enlisted below. Along with the reasons, there are proposed methods to fix the issue at hand and keep the pace working.

Let’s move to the core!

Part 1. Why can't 7-Zip open some ZIP archives?

When the issue surface i.e. 7zip cannot open the file as an archive, the very next thing that strikes the mind is the possible reasons behind the issue. Once the problem is identified, the next step is to elaborate on the causes, and lastly there comes the part to propose definite solutions. Talking about the reasons behind 7z cannot open the file as an archive, here is the list that describes the most relevant ones.

• The error occurs when the archive carries a wrong or incorrect header.
• Sometimes, 7-zip is unable to open some headers from the start or end of the archive.
• The archive is said to be corrupted and carries no definite link to the end header.
• Most of the time, the start and the end header are completely ok but the overall size of the archive is what creating an issue.
• The error may also occur when the end archive is corrupted or missing due to which 7z cannot open files in archives.

Done with understanding the potential reason behind why 7zip cannot open the file as an archive? Then let’s move to the next section where there are mentioned are the possible solutions to fix the problem.

Keep on reading!

You are going to get a solution that would work for you!

Part 2. Try Another Extractor Software

Of course! You are dealing with a technical issue that needs potential software to work on the issue and to solve the problem. So as the Yodot! When you see the error pop up i.e. 7zip cannot open the file as an archive on-screen during the extraction mechanism, the most effective and time-saving solution is Yodot.

Being the right choice for repairing the corrupt or otherwise inaccessible files, this software helps to scan everything to completely rule out the corruption. It helps to extract every file which was otherwise not accessible by using other methods. It is compatible with Windows Server 2003, Server 2008, XP, and Vista, 7, 8, 8.1, and 10 operating systems.

Now talking about the steps to follow for fixing the issue of 7z cannot open the file as an archive, here is what you need to follow:

Step 1: Start with obtaining Yodot ZIP Repair software and install it on your PC

Step 2: Next step is to run the application, click the 7z archive by selecting the Browse option and click on Repair button

Step 3: Now end with verifying the repaired 7-ZIP archive files and folders in the option of Repaired File Contents window and move the cursor on Select Folder to select the location where repaired 7-ZIP archive can be saved

Yes! You are done in just three steps to fix the 7z cannot open the file as an archive error.

Keep working without any hurdle now!

Part 3. Repair File with Stellar File Repair

Out of all the possible solutions, the most reliable and efficient of all time is stellar file repair. Using stellar to fix the issue related to zip folders is all worth it.

Stellar Phoenix Zip Recovery is a potential zip repair software which supports all sub-types of ZIP files. It is also compatible with recovering password-protected and large ZIP files. It is viable to solve CRC and data integrity errors in damaged ZIP files. After the recovery process, one can select files that they wish to save and choose to save it as a compressed or uncompressed file.

Now let’s discuss the steps that should be followed while repairing the 7zip cannot open the file as an archive with stellar file repair.

Step 1: Start with downloading the software on your device.

Step 2: Once downloading is complete, run the administrator and install the software on a PC.

Step 3: Now select the corrupted file in the software dialogue box

Step 4: Scan the file to look for problems in the selected file

Step 5: A preview should pop up so that you can verify the contents of the file

Step 6: Save the fixed file at the preferred location and you are all done!

This is how easily, stellar file repair is going to sort out the issue of 7z cannot open the file as an archive in no time by merely following some right steps in the software.

Being an all-time reliable option, stellar never fails to benefit the users and provide them with efficient solutions that work every time. Furthermore, you can learn more solutions in this post.

Part 4. Other Common Errors of 7-zip

Another error encountered while using the 7 zip is the CRC error.

Each document record holds a CRC esteem while zipping the substance and this worth will be spared inside the file. Again while unfastening files, decompressing applications like WinZip matches determined CRC esteem with an existing estimation of that record. On the off chance that both the qualities don't coordinate, at that point it gives a route for CRC mistake. Experiencing a CRC error message during 7Zip document extraction suggests that either substance of record is harmed or changed. Numerous reasons cause CRC error in 7Zip record, for example,

1. Transfer Error: Usually interfered with the move of 7Zip document over a system like the expansion of additional bits by programmers, web dangers, and so on can cause CRC error
2. Incomplete Download: Errors or interferences while downloading .7z documents from the system can result in CRC error while unfastening 7Zip record
3. Other reasons: Presence of terrible areas on the capacity drive where 7Zip record is spared, breaking down of WinZip application, and so forth can at times cause CRC error

Apart from the archive errors, there are some of the other errors which you might confront while using the 7-zip. These are said to be the non-7zip archive errors. This is a mistake happened while attempting to concentrate the substance of a 7z record that is defiled or harmed because of components like:

1. Deficient download: When downloading 7 Zip file unseemly system association, unexpected framework shutdown, and so forth can cause the download procedure fragmented
2. Off base 7Zip establishment: Errors while introducing 7Zip on the framework can now and again effectively introduce the program yet can degenerate the 7z document that is being opened in it
3. Driver update: It is an uncommon case, where the framework isn't refreshed with right driver programming and subsequently, 7z document gets harmed when attempted to get to it utilizing 7ZIP program

Hence, this is all about why 7-zip cannot open the file as an archive, the potential reason ruling the problem, and viable solutions to fix the issue.

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Download 7-Zip for MacOS. 7Zip is a great app that should be included on iTunes. As productivity is a concern on all Apple devices, the development of 7Zip would be a great delight for all its users. I mean, why not? It is the most powerful and secure archiving and file compression tool in its category and field. For more resources about 7Zip for other operating systems, check out our other articles on 7Zip.

So, you are one of the opulent citizens of the society or perhaps meticulous with the software and security, thus, you prefer using Mac computers. As a matter of fact, some programs and software for Windows, Linux, and for Mac are programmed differently. This goes the same with 7Zip for Mac.

By default, Mac OS X is incapable of handling these files. But this shouldn’t be much of an issue as there are lots of other archiving tools available that can open a .7z file and other file compression formats.

The 7Zip file format is considered a better file compression format because of its high security and overall stability. It 7Zip can compress any file much better than ZIP and WinRAR or WinZip. This makes 7Zip safer and a much better choice.

Contents

Is 7zip Available For Mac

• 1 A Walkthrough on 7-Zip for Mac
  • 1.1 Reminder

A Walkthrough on 7-Zip for Mac

Open 7-zip On Mac

Keep on reading as we are going to walk you through on the steps for opening .7z archive files regardless of what version of Mac OS you are using. Don’t worry, it is easy and quick to do even it gets an error cannot open a file as archive sometimes. Here’s how it goes.

1. Download “The Unarchiver” first. The latest version is 4.2.2 and support macOS 10.7 or later. the file is 13.6 MB. You can either download it from the Mac App Store or click here for direct download.
2. The app is relatively small so you should be able to get it installed for a few seconds depending on your internet speed.
3. As soon as The Unarchiver app finishes installing, open it and you will see the file association list.
4. Launch the Unarchiver and there you’ll find the file association list, inform the Unarchiver to associate it with .7z files.
5. The moment that you’ve associated the Unarchiver with .7z you could then double-click any .7z file on your Mac computer. It will then open and uncompress like other archive format or launch Unarchiver and just drag and drop the 7z files to the utility.

This is everything that you have to know in opening any .7z archive files saved on your Mac computer. After installing the UnArchiver and associated it with .7z 7Zip files, you may now launch the .7z archive simply by double-clicking on it. Inside the UnArchiver utility, your file will open and decompress the original 7z file. It will exit the app automatically when it is finished. It is possible to directly open the Unarchiver and open the file in the Unarchiver directly where it’ll be extracted.

Reminder

Since 7Zip archives have undergone a strong compression procedure, it sometimes takes a while in order to completely extract large 7z files. Don’t be surprised as well if the 7Zip has expanded to something bigger than the original file size as the size of the archive. This is totally normal. Just be sure that you have enough disk space to accommodate all the uncompressed data.

Unarchiver is a well-known solution to all kinds of archive formats available on Mac. It’s been discussed as an alternative when you have to unRAR and open RAR files in Mac OS and it can open virtually any archive format you might come across. This can include but not limited to:

Open 7 Zip Mac

• 7z
• zip
• sit
• tgz
• tar
• gz
• rar
• bzip and;
• hqx

Open 7zip Files On Mac

Due to its expansive nature and free of charge, it is a wonderful addition to your Mac software toolkit. Well, it is comparable to a Swiss army knife but for computers.

The Complete Package

The Unarchiver provides support to every release of the Mac OS software that’s in use. This is regardless if you’re using the latest release, Sierra, macOS High Sierra, Mac OS X El Capitan, Mountain Lion, Mavericks, Snow Leopard, Yosemite, and so forth. It’ll work and can get the job done in opening and decompressing zip as well as other archive formats available.