7-Zip is a file archiver with a high compression ratio.
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Download 7-Zip (2019-02-21) for Windows:
Link | Type | Windows | Size |
---|---|---|---|
Download | .exe | 32-bit x86 | 1 MB |
Download | .exe | 64-bit x64 | 1 MB |
License
7-Zip is free software with open source. The most of the code is under the GNU LGPL license. Some parts of the code are under the BSD 3-clause License. Also there is unRAR license restriction for some parts of the code. Read 7-Zip License information.
You can use 7-Zip on any computer, including a computer in a commercial organization. You don't need to register or pay for 7-Zip.
The main features of 7-Zip
- High compression ratio in 7z format with LZMA and LZMA2 compression
- Supported formats:
- Packing / unpacking: 7z, XZ, BZIP2, GZIP, TAR, ZIP and WIM
- Unpacking only: AR, ARJ, CAB, CHM, CPIO, CramFS, DMG, EXT, FAT, GPT, HFS, IHEX, ISO, LZH, LZMA, MBR, MSI, NSIS, NTFS, QCOW2, RAR, RPM, SquashFS, UDF, UEFI, VDI, VHD, VMDK, WIM, XAR and Z.
- For ZIP and GZIP formats, 7-Zip provides a compression ratio that is 2-10 % better than the ratio provided by PKZip and WinZip
- Strong AES-256 encryption in 7z and ZIP formats
- Self-extracting capability for 7z format
- Integration with Windows Shell
- Powerful File Manager
- Powerful command line version
- Plugin for FAR Manager
- Localizations for 87 languages
7-Zip works in Windows 10 / 8 / 7 / Vista / XP / 2016 / 2012 / 2008 / 2003 / 2000 / NT.
p7zip - the port of the command line version of 7-Zip to Linux/Posix.
On 7-Zip's SourceForge Page you can find a forum, bug reports, and feature request systems.
Compression ratio
We compared 7-Zip with WinRAR 5.20.
FILE SETS: Mozilla Firefox 34.0.5 for Windows and Google Earth 6.2.2.6613 for Windows.
Archiver | Mozilla Firefox | Google Earth | ||
---|---|---|---|---|
65 files 85 280 391 bytes | 483 files 110 700 519 bytes | |||
Compressed size | Ratio | Compressed size | Ratio | |
7-Zip 9.35 -mx | 39 357 375 | 100% | 15 964 369 | 100% |
WinRAR 5.20 -m5 -s -ma5 -md128m | 41 789 543 | 106% | 17 035 432 | 107% |
Compression ratio results are very dependent upon the data used for the tests. Usually, 7-Zip compresses to 7z format 30-70% better than to zip format. And 7-Zip compresses to zip format 2-10% better than most of other zip compatible programs.
Related Articles
- 1 Decompress a Zip File
- 2 Open a RAR File Without WinRAR
- 3 Open Zip Files With a Mac
- 4 Unzip a File Using Winrar
WinZip is a standard way to open compressed zip files on Microsoft Windows and even Mac computers for many people, but it's possible to open zip files without the program on most modern computers using built-in operating system functionality. Third-party zip programs still have some benefits for some people, such as integrating with cloud storage tools and supporting other types of compression.
Tip
- On a Windows or Mac computer, you can open a zip file without any special program simply by double-clicking it.
Open Zip Files on Windows
Zip files are commonly used to reduce the size of one or more files in order to store them more succinctly or transmit them more quickly online. They're often available for downloading photos or software from various websites, and they're often sent as attachments to emails. The zip file system and format is standardized, so many different tools can read and write zip files. Note that zip files can contain malware, so it's good to be wary of one that you receive unexpectedly, such as in an email, until you verify it's safe by contacting the person who sent it.
If you receive a zip file or otherwise come across one on your computer, you can easily open it using built-in tools on Windows. You can either extract all the files in the zipped folder by right-clicking on it, then clicking 'Extract All,' or open it essentially as a standard folder by double-clicking it, then dragging any files inside to your desktop or another preferred location.
You can also make a zip file on Windows by right-clicking on a file or folder, then selecting 'Compressed (zipped) folder' in the 'Send to' menu.
Open Zip Files on Mac
MacOS also enables you to open a zip file without any special software tools simply by double-clicking it. A zip read or created on Windows, MacOS or another operating system will behave the same way.
Third-Party Zip Utilities
There are still a number of third-party compression programs that you can get for free or purchase if you prefer. Among them are WinZip, 7-Zip and WinRAR. Many of these tools can handle additional file formats, such as the RAR file format used by WinRAR or the .7z file format used by 7-Zip, and many provide different interfaces that can be useful if you need to make especially complex zip files or frequently work with zip files.
Many also boast integration with cloud services such as Dropbox and OneDrive to easily upload compressed files, and some have other options as well, such as splitting up large files to fit on certain types of recordable media, such as CDs or small USB memory sticks.
References (7)
About the Author
Steven Melendez is an independent journalist with a background in technology and business. He has written for a variety of business publications including Fast Company, the Wall Street Journal, Innovation Leader and Business BVI. He was awarded the Knight Foundation scholarship to Northwestern University's Medill School of Journalism.
Cite this Article Choose Citation Style
Melendez, Steven. 'How to Open a WinZip File Without WinZip.' Small Business - Chron.com, http://smallbusiness.chron.com/open-winzip-file-winzip-56693.html. 14 August 2018.
Melendez, Steven. (2018, August 14). How to Open a WinZip File Without WinZip. Small Business - Chron.com. Retrieved from http://smallbusiness.chron.com/open-winzip-file-winzip-56693.html
Melendez, Steven. 'How to Open a WinZip File Without WinZip' last modified August 14, 2018. http://smallbusiness.chron.com/open-winzip-file-winzip-56693.html
Note: Depending on which text editor you're pasting into, you might have to add the italics to the site name.
MiniTool Partition Wizard Free 11.4
Free partition manager designed to perform basic and complex partition operations.
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How to Add, Remove, and Manage Items in your Context Menu
With a few tweaks here and there, learn how to conceal toolbars, icons, buttons, files, and more.
By Mark Russinovich
Published: February 18, 2019
Download Autoruns and Autorunsc(1.5 MB)
Run now from Sysinternals Live.
Run now from Sysinternals Live.
Introduction
This utility, which has the most comprehensive knowledge ofauto-starting locations of any startup monitor, shows you what programsare configured to run during system bootup or login, and when you startvarious built-in Windows applications like Internet Explorer, Explorerand media players. These programs and drivers include ones in yourstartup folder, Run, RunOnce, and other Registry keys.Autoruns reports Explorer shell extensions, toolbars, browser helperobjects, Winlogon notifications, auto-start services, and muchmore. Autoruns goes way beyond other autostart utilities.
Autoruns' Hide Signed Microsoft Entries option helps you to zoomin on third-party auto-starting images that have been added to yoursystem and it has support for looking at the auto-starting imagesconfigured for other accounts configured on a system. Also included inthe download package is a command-line equivalent that can output in CSVformat, Autorunsc.
You'll probably be surprised at how many executables are launchedautomatically!
Screenshot
Usage
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Simply run Autoruns and it shows you the currently configuredauto-start applications as well as the full list of Registry and filesystem locations available for auto-start configuration. Autostartlocations displayed by Autoruns include logon entries, Explorer add-ons,Internet Explorer add-ons including Browser Helper Objects (BHOs),Appinit DLLs, image hijacks, boot execute images, Winlogon notificationDLLs, Windows Services and Winsock Layered Service Providers, mediacodecs, and more. Switch tabs to view autostarts from differentcategories.
To view the properties of an executable configured to run automatically,select it and use the Properties menu item or toolbar button. IfProcess Explorer isrunning and there is an active process executing the selected executablethen the Process Explorer menu item in the Entry menu will openthe process properties dialog box for the process executing the selectedimage.
Navigate to the Registry or file system location displayed or theconfiguration of an auto-start item by selecting the item and usingthe Jumpto Entry menu item or toolbar button, and navigate tothe location of an autostart image.
To disable an auto-start entry uncheck its check box. To delete anauto-start configuration entry use the Delete menu item or toolbarbutton.
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The Options menu includes several display filtering options, such asonly showing non-Windows entries, as well as access to a scan optionsdialog from where you can enable signature verification and Virus Totalhash and file submission.
Select entries in the User menu to view auto-starting images fordifferent user accounts.
More information on display options and additional information isavailable in the on-line help.
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Autorunsc Usage
Autorunsc is the command-line version of Autoruns. Its usage syntax is:
Usage: autorunsc [-a <*|bdeghiklmoprsw>] [-c|-ct] [-h][-m] [-s] [-u] [-vt] [[-z ] | [user]]]
Parameter | Description |
---|---|
-a | Autostart entry selection: |
* | All. |
b | Boot execute. |
d | Appinit DLLs. |
e | Explorer addons. |
g | Sidebar gadgets (Vista and higher) |
h | Image hijacks. |
i | Internet Explorer addons. |
k | Known DLLs. |
l | Logon startups (this is the default). |
m | WMI entries. |
n | Winsock protocol and network providers. |
o | Codecs. |
p | Printer monitor DLLs. |
r | LSA security providers. |
s | Autostart services and non-disabled drivers. |
t | Scheduled tasks. |
w | Winlogon entries. |
-c | Print output as CSV. |
-ct | Print output as tab-delimited values. |
-h | Show file hashes. |
-m | Hide Microsoft entries (signed entries if used with -v). |
-s | Verify digital signatures. |
-t | Show timestamps in normalized UTC (YYYYMMDD-hhmmss). |
-u | If VirusTotal check is enabled, show files that are unknown by VirusTotal or have non-zero detection, otherwise show only unsigned files. |
-x | Print output as XML. |
-v[rs] | Query VirusTotal for malware based on file hash. Add 'r' to open reports for files with non-zero detection. Files reported as not previously scanned will be uploaded to VirusTotal if the 's' option is specified. Note scan results may not be available for five or more minutes. |
-vt | Before using VirusTotal features, you must accept the VirusTotal terms of service. If you haven't accepted the terms and you omit this option, you will be interactively prompted. |
-z | Specifies the offline Windows system to scan. |
user | Specifies the name of the user account for which autorun items will be shown. Specify '*' to scan all user profiles. |
Related Links
- Windows Internals Book The official updates and errata page for the definitive book onWindows internals, by Mark Russinovich and David Solomon.
- Windows Sysinternals Administrator's Reference Theofficial guide to the Sysinternals utilities by Mark Russinovich andAaron Margosis, including descriptions of all the tools, theirfeatures, how to use them for troubleshooting, and examplereal-world cases of their use.
Download
Download Autoruns and Autorunsc(1.2 MB)
Run now from Sysinternals Live.
Run now from Sysinternals Live.
You can download files and folders from OneDrive, or from SharePoint Online or SharePoint Server 2019, to your computer with just a few clicks. Here's how:
- On your OneDrive, SharePoint Server 2019, or SharePoint Online website, select the files or folders you want to download.
- To download individual or multiple files, select each item by clicking the circle check box that appears. (The left image below shows items in List view, the right image shows items in Tiles or Photos view.) (You can also select several files at once by selecting one file, scrolling down the list, then hold down the Shift key while left-clicking the last item you want to select.)
- To select all files in a folder, click the circle to the left of the header row, or press CTRL + A on your keyboard.
- To select a folder, rather than just its contents, you may need to go up or back a level to select the whole folder.
- In the top navigation, select Download. (You can also right-click the file, photo, or folder, and select Download.)Notes:
- The Download button will only appear when files or folders are selected.
- The Download button may sometimes disappear if you refresh the web page while looking at a folder. To work around this, you can go up one level in the folder directory and come back, or close that tab in your browser and navigate to the folder again.
- If your browser prompts you, choose Save or Save As and browse to the location where you want to save the download. (Some browsers just start saving right away to a Downloads folder on your computer.)Notes:
- If you need to free up space on your OneDrive, download your file or folder to a location outside of your OneDrive folders (see below). You can then delete the OneDrive copy of the file or folder to reduce your storage amount.
- For more information, see Delete files or folders in OneDrive.
If you select multiple files or folders and then select Download, your browser will start downloading a .zip file containing all the files and folders you selected. If you're in a folder and you select Download without selecting any files or folders, your browser will begin downloading all contents of the folder.
Notes:
- You can't download files directly from the Shared view. You will need to open the file and save a copy in the location of your choice.
- You can't download OneNote notebooks. If you download a folder that contains a OneNote notebook, the .zip file will contain an error message in the form of a .txt file.
- The option to download multiple files is not yet available in on-premises SharePoint Server (when your organization doesn't subscribe to an Office 365 business plan).
- The Download button may sometimes disappear if you refresh the web page while looking at a folder. To work around this, you can go up one level in the folder directory and come back, or close that tab in your browser and navigate to the folder again.
- In OneDrive for Business, you can't use Internet Explorer to download folders or multiple files. You can use Microsoft Edge or Google Chrome to download folders or multiple files.
- Downloads are subject to the following limits: individual file size limit: 15GB; total zip file size limit: 20GB; total number of files limit: 10,000.