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Computer tips and tricks that everyone should know

How to Recover Data from a Corrupted Zip File

By constantly creating smaller collections, WinRAR is often faster than competing. It also saves you disk space, transmission costs and valuable working time. WinRAR puts you ahead of the audience when it comes to compression.

Features:

WinRAR supports all popular compression formats (RAR, ZIP, CAB, ARJ, LZH, ACE, TAR, GZip, UUE, ISO, BZIP2, Z and 7-Zip).

WinRAR is ideal for multimedia files. WinRAR automatically detects and selects the best compression method. The special compression algorithm compresses multimedia files, executables and object libraries well.

WinRAR allows you to easily divide an archive into several volumes, for example saving them to multiple disks.

WinRAR is also ideal if you are sending data over the web. Its 128 bit password encryption and its verified signature technology will give you the peace of mind you are looking for.

WinRAR is shareware, which means you can test it out completely. The program can be used completely free of charge for 40 days.

 Download Note: Alternatively you can download the latest beta version of this software.

What's new:

WinRAR can unpack the contents of .zst and .zipx archives using the Zstandard algorithm.

Added support for the Windows 11 Explorer context menu.

Starting with Windows 11, an application can only add a top-level command or submenu to the Explorer context menu.

If the "Cascade Context Menu" is turned on in the "Integration Settings" dialog, this single item is a submenu that stores all the required WinRAR commands. If this option is disabled, only an extraction command for archiving and an archive command for common files will be available.

You can select these commands with the "Context menu items ..." button in the "Integration Settings" dialog.

If you do not have the WinRAR command "Show more options" in the Windows Legacy context menu or in the context menu of third-party file managers, you can use the "Legacy Context Menu" option in the "Settings / Integration" dialog in Windows 11. If WinRAR commands are already here, turn off the "Legacy Context Menu" option to prevent duplication. This option is not available for Windows 10 and older.

Windows XP is no longer supported. The minimum required operating system version is Windows Vista.

Added "Close" item to the "Finished" list on the "Advanced" page of the collection dialog. When the archive is complete, it closes the WinRAR window.

Added a "Done" list to the "Options" page of the abstract dialog. This allows you to select an action such as shutting down the computer or closing WinRAR after the extraction is complete.

switch -c can be used to extract or test archive data from stdin, for example:

docs.rar | Type rar x -si -o + -pmypwd ***** docs \

Even if the archive name is ignored with this switch, the arbitrary ***** archive name must be specified in the command line. Operations that require Backward Seeks are not available in this mode. This includes displaying archive comments, examining recovery records, using quick open information, and processing multivolume archives. Codes that require user interaction are not allowed. To suppress such prompts, use the -o [+ | - | r], -p or -mes switches.

If this path is found at the beginning of the archived name, the new -ep4 switch path excludes the prefix on archiving or deleting. Paths are compared to names that are already ready to be stored in the archive without drive letters and leading path separators. For example:

rar a -ep4texts \ books archive c: \ texts \ books \ technical

Removes "textbooks" from stored names, so they begin with 'technical'.

New -Mess switch bypasses encrypted files when extracting or testing. It replaces the pre-p-switch.

The new -op switch sets the destination folder for the 'x' and 'e' extraction commands. Unlike command line parameters, this switch also accepts paths without a path separator character. \>

If the 'p' command is used to print the file to stdout, the info messages are automatically suppressed to prevent them from being mixed with the file data.

The "Create Archive Name by Mask" option and the switch -ag will only count the first two 'M' letters after 'H' as minutes. Previously the sum of such characters was considered to be one minute. This makes it possible to place a time field before a date such as -agHHMM-DDMMYY. Previous versions considered all the 'm's in this string as minutes.

The maximum allowable volume of RAR5 recovery records has been increased to 1000% of the protected data volume. The maximum number of RAR5 recovery volumes is 10 times greater than the protected RAR volume. Previous WinRAR versions could not use recovery records to repair broken archives if the recovery record size exceeds 99%. Similarly, previous versions could not use recovery volumes if their number was equal to or greater than the number of RAR volumes.

A warning will be issued if the registered password exceeds the allowed 127 character limit and is truncated. Previously such passwords were silently truncated.

If there are reserved device names in the collection, an underscore character is inserted at the beginning of such names when extracted. For example, aux.txt was changed to _aux.txt. This is done to avoid compatibility issues with software that cannot process such names. You can use the "Allow custom names" option or the command line-one switch in the "Advanced" section of the abstract dialog to prevent this conversion.

WinRAR attempts to reset the file cache before testing the archive. It helps to verify the actual data written to the disk instead of reading the cached copy.

Multiple -v switches that now specify different sizes for different versions are also allowed, even for zip archives:

WinRAR a -v100k -v200k -v300k arcname.zip

Previously multiple -v switches only supported the RAR archive.

The switches -sl and -sm can be used to extract the archive in any of the supported formats in the WinRAR.exe command line mode, if such archive contains unpacked file sizes. First these switches change the file size to o. Can be filtered accordingly.

 

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