7-Zip Cannot Open File as Archive? Why And How to Fix

Are you encountering the 7 Zip cannot open file as archive? Don't worry; this article will explain why this error occurs and provide step-by-step instructions on how to fix the 7-zip cannot open the file as an archive error.

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Encountering issues like "7-Zip cannot open file as archive" can be frustrating when working with substantial project files. Archiving tools such as 7-Zip are crucial in compressing large files into an archive and streamlining file sharing. However, the inconvenience arises when faced with the error of not opening a file as an archive. This guide explores various methods to address this issue, providing practical solutions to spare you the headache caused by such errors.

Fix 1. Fix 7-zip Can't Open Files as Archive with EaseUS Fixo File Repair 

EaseUS Fixo File Repair is a powerful solution designed to mend corrupted Zip files effectively. This tool proves invaluable when encountering errors like "7 Zip Cannot Open File as Archive." 

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Whether your Zip files have suffered corruption due to interrupted downloads, transfers, or other issues, EaseUS Fixo File Repair's specialized Zip file repair utility steps in to address and resolve such challenges like end of central directory signature not found seamlessly. This file repair software is a powerful Zip file helper that can solve the following Zip errors perfectly:

To unlock the full potential of EaseUS Fixo File Repair's Zip file repair utility, follow the steps outlined below.

Step 1. Download and launch Fixo on your PC or laptop. Choose "File Repair" to repair corrupted Office documents, including Word, Excel, PDF, and others. Click "Add Files" to select corrupted documents.

add files to repair documents with Fixo

Step 2. To repair multiple files at once, click the "Repair All" button. If you want to repair a single document, move your pointer to the target file and choose "Repair". You can also preview the documents by clicking the eye icon.

select documents to repair

Step 3. Click "Save" to save a selected document. Select "Save All" to save all the repaired files. Choose "View Repaired" to locate the repaired folder.

save repaired documents in Fixo

Experience the convenience and efficiency of repairing corrupted Zip files with EaseUS Fixo File Repair. Share this page on social media to help others tackle the "7 Zip cannot open file as archive" issue effectively.


Fix 2. Repair ZIP Archive with WinRAR Repair Utility 

If you suspеct your ZIP filе is corruptеd, considеr еmploying thе WinRAR utility to rеpair thе corrupt archivе.

This tool fеaturеs a built-in rеpair function that addresses issues with corruptеd RAR and ZIP archivеs.

Hеrе's what to do to initiatе thе rеpair procеss:

Step 1. Launch the "WinRAR" tool. 

launch the winrar tool

Step 2. Head to the "File" tab and select the "Open archive" option.

go to the file tab

Step 3. In the "Find Archive" window, locate and choose the corrupted ZIP file.

find corrupted zip file under find archive

Step 4. Access the "Tools" tab and opt for the "Repair archive" feature.

access the tool tab and choose repair archive feature

Step 5. In the "Repairing File name.ZIP" window, click "Browse" to designate a location for the repaired ZIP archive.

Step 6. Ensure you check the "Treat the corrupt archive as ZIP" box.

Step 7. Click "OK" to commence the repair process.

Step 8. Upon completion, click "Close" to exit the utility.

This method provides a systematic approach to resolving issues with a corrupted ZIP archive or unexpected end of the archive using the repair capabilities within WinRAR.

Fix 3. Run Command Prompt to Fix 7 Zip Cannot Open File as Archive Error 

When confronted with the 7-Zip cannot open the file as an archive error, mainly caused by an incorrect header at the file's start or end, utilizing Command Prompt for corrective measures can be beneficial. 

Follow these steps here to fix 7 zip cannot open the file as gzip archive:

Step 1. Launch "Command Prompt" with Administrator privileges.

launch command prompt

Step 2. Input the following command and press "Enter":

"C:\Program Files\WinZip\wzzip" –yf zipfile.zip

input the command

Step 3. Ensure you substitute "zipfile.zip" with your zip file's name and include double quotes due to the space in "Program Files."

Executing this command will correct the file, fixing any issues related to incorrect headers.

FAQs on 7 Zip Cannot Open File as Archive

Take a look at the frequently asked questions about the "7 zip cannot open file as archive" error to learn more!

1. Why is 7z archive not opening?

The error arises due to various factors:

  • Incorrect header within the archive.
  • Archive corruption with an indeterminate link to the end header.
  • The software cannot open specific headers at the archive's beginning or end.
  • Errors in the data blocks of the archive.
  • The archive is corrupted.
  • Errors are a result of the overall size of the archive.

2. How do I open an archive in 7z?

Begin by downloading and installing the 7-Zip tool on your computer. Then, locate the desired file, right-click on it, and choose the 7-zip option from the submenu. Navigate to "Open Archive," and a display screen will appear, presenting the archive's contents.

3. Why zip file does not appear to be a valid archive?

If interruptions occur during the download or transfer process, it can corrupt header files within the zip archive. This corruption may make the file unrecognized as a valid archive when attempting to extract it.

The Bottom Line 

In conclusion, one of the easiest ways to address the 7 zip cannot open file as archive issue is employing effective file repair solutions like EaseUS Fixo File Repair. This article explored various fixes, including running in compatibility mode, using alternative extraction software, and utilizing Command Prompt.

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To prevent this problem from happening, create regular backups of essential files to minimize the impact of potential corruption or errors. You should also stay updated and scan for malware to avoid potential file integrity threats. Remember to share this post to empower others to overcome the challenges posed by the "7 Zip cannot open file as archive" error.

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About the Author

author Finley


Finley is interested in reading and writing articles about technical knowledge. Her articles mainly focus on file repair and data recovery.

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