Of course, they would not be able to open any of the files without the password. You can also use a third-party program like 7-Zip or WinRAR to encrypt your zip file. The basic app is free to download, with a pro version available for a one-time fee which opens up more advanced and useful security features for around 40 / 35 / AU60. Locate the file or folder you wish to zip, then right-click it and select Add to archive. Check the box next to Encrypt contents to secure data. On the General tab, click the Advanced button. To do this, right-click on the zip file and select Properties. If the file names provide sensitive information, a thief could take advantage of that. One way is to use the built-in Zip File feature. One more problem with encrypted ZIP files: No matter which form of encryption you use, anyone with access to the files can see the name of the files within the archive. You’ll find these options near the lower-right corner of the dialog box. To encrypt an archive in 7-zip, once you’re at the Add to Archive dialog box, enter a password and select the Encryption method AES-256. Email someone an AES-encrypted file, text them the password (safer than emailing it), and if they try to open it in Windows Explorer or File Explorer, they won’t be able to open any of the files within the archive.įortunately, most third-party zip tools, including the free 7-zip, support AES-256. To encrypt a folder full of files or a single file, use these steps: Launch File Explorer and navigate to the file or folder you want to encrypt. Assuming you use a strong password, it’s for all practical purposes unbreakable.īut when you use it for ZIP archives, AES-256 comes with another problem: Windows’ own, built-in compression tool doesn’t support AES. Modern ZIP files support at least two encryption methods and the AES-256 encryption is safe when you use long enough passphrase. It’s a popular and extremely strong encryption technique used in many programs. zipx) and it can also add encryption to data in. WinZip can encrypt files while you create new Zip files (.zip or. Unlike ZipCrypto, AES was not designed for ZIP files. Data in a Zip file is encrypted byte-for-byte. Once secure, you can then share the file on the internet without worrying about people taking a peek inside. You’d be far safer using the other option, AES-256. Encrypt a ZIP File to Secure Your Data If you want to protect your files, you can use WinRAR to encrypt a ZIP file with AES-256 encryption.
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