Fix BadZipFile: File Is Not A Zip File [Ultimate Guide]

The error message 'badzipfile: file is not a zip file' is a Zip error often found in Python 3.9 and opepyxl. In this post, we have covered two effective ways to get this problem fixed.

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Table of Contents

When you unzip or expand Zip files, you sometimes get the error message saying, "badzipfile: file is not a zip file". It often pops out in Python to inform you of the format error of the Zip file you are currently working with. If you are now experiencing this issue and click this post, congratulations! You can fix this Zip error you may encounter in python 3.9 and opepyxl with two ways mentioned in this post:

Fix zipfile.badzipfile by Repairing Corrupted Zip File with EaseUS Fixo File Repair

You may accidentally corrupt a Zip file when you use Python to create the Zip file. Use the Zip file repair tool to help hit the nail on the head. EaseUS Fixo File Repair can be your best solution here.

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We have studied plenty of Zip corruption cases before we present this tool to you. Let's see what this Zip file repair tool can do:

EaseUS Fixo File Repair

You can read the instructions here to fix your bad or damaged Zip files.

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

To share these two methods with your friends, click the share button and post this article on Twitter or Reddit.


Download the Zip File Again to Fix Zip File Is Not A Zip File

If your Zip file is downloaded from the website, there is a chance that it will be attacked by malware or some unknown virus. If you are interrupted in the process of downloading, you may redownload your file from the Internet like this:

Step 1. First, delete the Zip file you run into when you get the error message from your PC.

Step 2. Go back to the website where you downloaded your Zip file and download the file again. 

download zip file again

You'd better save it to a safer location to avoid an accident. Now, open or extract files from your Zip file again.

FAQs on File is Not A Zip File

I believe with the help of the methods above and FAQs on this part, you can better solve bad Zip errors:

1. How do I fix a Badzipfile file not a zip file?

You need first to make sure your Zip files contain the ". zip" file extension so that Python can recognize your file as a Zip. If you are sure the file extension is correct, use EaseUS Fixo File Repair for help.

2. What does bad zip file mean?

The most prevalent reason is that there is a transfer error, especially for Zip files downloaded from the Internet.

Final Words

In this post, we have looked at how to fix a file that is not a Zip file error with 2 easy fixes provided. However, the most effective and time-saving way should be to consult EaseUS Fixo File Repair. Download this software now and save your repair Zip files and fix file is not a zip file.

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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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