Zip files are not dangerous. However, it is essential to take caution when opening files you have imported from unknown sources or the files you have downloaded from the internet. Some may contain a virus, zip bombs, Trojans, or other malware.
WinZip Self-Extractor has the ability to create self-extracting Zip files that automatically extract files to a specified folder. This option has the same effect as clicking the Unzip button when the main dialog box is displayed, and, if the unzip operation is successful, clicking the Close button.
You can unzip a file on a Mac by double-clicking on it, or by right-clicking and selecting "Open." The unzipped file will expand its content into a folder on your desktop. If you have a RAR file on your Mac, you can extract its content by downloading free software.
Zip and unzip files
Depending on the device, this might be called Files by Google, My Files, or something similar. You'll be able to find it in the list of all your apps, or by searching for it. Either way, open the file app and find your ZIP file. Once found, just tap on it and you'll be given the option to unzip it.
Compress a file or folder: Control-click it or tap it using two fingers, then choose Compress from the shortcut menu. If you compress a single item, the compressed file has the name of the original item with the . zip extension. If you compress multiple items at once, the compressed file is called Archive.
Tag an open file: Hold the pointer to the right of the document title, click the down arrow , click in the Tags field, then enter a new tag, or choose one from the list. Tag a new file when you save it: Click File > Save. In the Save dialog, click in the Tags field, then enter a new tag, or choose one from the list.
Move items into folders On your Mac, click the Finder icon in the Dock to open a Finder window. Do any of the following: Put an item in a folder: Drag it to the folder. Put several items in a folder: Select the items, then drag one of the items to the folder.
Just press Command-O in your app, navigate to the file, select it, and click Open or press Return. If you want to view a file when you're in an Open dialog, you can select and it press the space bar to view it in Quick Look.
Click the desktop, choose View > Sort By, then choose an option. If you want to control the placement of your files on the desktop, keep Sort By set to none. You can still arrange files neatly when desired—just click the desktop, choose View > Clean Up By, then choose how you'd like to arrange the files.
Delete an item from your Mac or iCloud Drive On your Mac, drag the item to the Trash in the Dock or select the item, then press Command-Delete. If an item is locked, click Continue to confirm you want to move the locked item to the Trash.
You can quickly combine multiple files into a PDF right from your desktop or a Finder window.
How to create a ZIP file on your iPhone or iPod touch