Zipping files using 7zip

Step 3: In the Add to Archive window change the name of the archive you wish to create. AES is proven much more secure than ZipCrypto, but if you select AES the recipient of the zip file may have to install 7-zip or another zip program to read the file contents. Selecting ZipCrypto may allow users to open the zip file in Windows without a zip program, but it does not provide adequate protection against attackers with modern cracking tools.

Step 6: Enter a Password. The 7Zip uses the simplest approach in creating a password-protected file or archive.

It uses a straightforward method that even a child can do it in just a few clicks. Since you came here to find out how to use password protect on 7Zip, we will give you what you came here for. You will be delighted to know how simple the steps are.

Anyway, here is the brief step-by-step guide on how to use password protection on 7Zip. We understand if you want to learn every details about 7Zip. For that, you can also explore the 7Zip command line or how to fix 7Zip cannot open file.

To take advantage of the benefits of 7Zip as well as to learn how to use 7Zip of course, you have to download and install it first on your computer. The following is a guide on how to do it:. Here is how you could activate the password protect feature from ZIP.

As you can see, your original files are still there. You can choose to delete the original copies or have them saved on your external drives like USB stick or CD. You may also keep the original files on your cloud-based account, or you can save them on your smartphone. If you want to check if the operation worked, right-click on the compressed file and choose extract.

It should now ask you for the password. Fail to enter the correct password and you will get a zero-sized file. The compressed and password-protected file will be safe where you put it.

But if the files inside it are far too precious, we suggest to keep them safe and secured somewhere as well just for added precaution. The password protect on 7Zip may sound so simple, but it comes really handy when it matters. This is true especially if you are accessing a shared or public computer. Having a password-protected file adds that security and peace of mind in case you happen to forget it somewhere. A few options will appear. Click Add to archive…. Select an archive format.

The ZIP format is the easiest to open on other platforms, but if you choose the 7z format, you'll typically wind up with a smaller ZIP file. If you plan to send a 7z file to someone else, they'll be able to decompress it without installing additional software on a Mac. If they are using Windows, they'll need to install 7-Zip, WinZip, or another 7z-compatible archive app. Select Ultra from the "Compression level" menu. This will produce the smallest-possible file size.

Select a dictionary size optional. If your file is very large, you can increase the dictionary size beyond the 64 MB default to reduce the size of the file, but it will take much longer to compress.

The maximum dictionary size is MB. Click OK to compress the file s. When 7-Zip finishes creating your compressed file, it will appear in the same folder as the original files—it's the file with a. To see the file size of the compressed ZIP, right-click the. Method 2. Install Keka. Keka is a free, open source file compression tool for macOS that provides more compression options than the built-in zip archive utility.

When you find it, click the GET button to install the app. Open Keka. Once Keka is installed, you'll find it in your Launchpad and the Applications folder. Select a compression format. ZIP is the most common and can be opened on any platform without installing additional tools, but based on benchmark tests, 7Z will actually compress the ZIP to a smaller size than other formats, and at a faster speed. Drag the slider all the way to the right. When the slider is at the "Slow" position, Keka will compress the file to the smallest size possible.

Drag the file s you want to add to the compressed ZIP. If you want to compress multiple files into one ZIP, you can add them to a folder and drag the folder to the app. Alternatively, you could hold down the Command key as you click each file, and then drag the highlighted files to Keka. This will compress the files into a ZIP or 7z, whichever you selected. Include your email address to get a message when this question is answered.

If you need to compress a ZIP file that contains an already-compressed format, begin by reducing the sizes of the files you're compressing.