7-Zip is an open source file archiver that has a high compression ratio. Although 7-Zip can handle the usual compressed file formats, users can also associate other formats with the application. The RAR format is another compression format that competes against zipped files. The Cabinet CAB format is commonly used for decompressing and installing software programs. The operating system in your computer probably has a default program that opens the aforementioned file formats. However, you can attribute file formats to 7-Zip if you prefer.
- Skill level:
- Moderately Easy
Open the 7-Zip application. Click the "Tools" drop-down menu at the top of the window. Select "Options," which opens a dialogue box.
Select the tab that reads "System."
Pull down the scroll bar in the centre of the box. Look for the file format under the "Type" column heading. Click to highlight the file type that you want attribute to the 7-Zip application, such as .ZIP or .RAR.
Look at the second and third column headings next to "Type." If the computer has multiple user accounts set up in the Windows operating system, the second column shows the name of the user account currently in use. The third column shows all users.
Click the plus sign above the current user account to attribute 7-Zip for the highlighted file type for just one user account. Alternatively, click the plus sign above "All Users" to have all user accounts associated with 7-Zip for the highlighted file type. The title "7-Zip" will appear next to the file type confirming that the attribution is successful.
Click the "Apply" and "OK" buttons to save the changes and close the "Options" dialogue box.
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