WinRAR is a powerful archive manager. RAR files can usually compress content by 8 percent to 15 percent more than ZIP files can. WinRAR is a powerful compression tool with many integrated additional functions to help you organize your compressed archives. It can backup your data and reduce size of email attachments, decompress RAR, ZIP and other files downloaded from Internet and create new archives in RAR and ZIP file format.
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Version 4.00 beta 1:
1. RAR decompression speed is improved. Depending on data type, decompression can be up to 30% faster than in previous versions.
2. Changes in ISO support:
a) UDF support is upgraded to UDF 2.50 revision.
b) when browsing UDF ISO file, UDF revision number is displayed after the "UDF" format name in WinRAR address bar and in archive information dialog.
c) WinRAR sets the folder modification date when unpacking folders stored in UDF and ISO9660 files.
3. Changes in password dialog:
a) WinRAR uses the same format of password dialog both when archiving and extracting, so "Show password" option is available also when extracting.
b) "Organize passwords..." button in password dialog provides access to password organizer interface, where you can specify your frequently used passwords. You will be able to access these saved passwords using the drop down list or autocomplete feature in password dialog.
c) "Use for all archives" option is available in password dialog when unpacking several archives at once. You can utilize it to apply an entered password to all archives.
4. In Windows 7 WinRAR will display the total operation progress also on WinRAR icon on Windows taskbar. You can disable it using "Taskbar progress bar" option on "General" page of WinRAR settings.
5. Numerous Unicode support improvements allow to process non-English file names more smoothly.
6. Changes in -x switch syntax. Now you can specify a wildcard exclusion mask for folders. Such mask must have the trailing '\' character, like -x*tmp*\ or -x*\temp\
7. New "Extract relative paths" option in "Advanced" part of extraction dialog. If you browse some archive subfolder in WinRAR shell and enable "Extract relative paths" option, the path part up to and including the current subfolder will be removed from extracted
file paths.
8. Windows 98, Windows Me and Windows NT are not supported by WinRAR and WinRAR self-extracting modules anymore. Minimum Windows version required for WinRAR 4.0 is Windows 2000.
9. If TAR, TAR.GZ or TAR.BZ2 archive contains symbolic or hard links and if destination file system is NTFS, WinRAR will create these links when unpacking such archive.
10. Recovery volume processing involves less disk seek operations resulting in higher performance.
11. You can select Windows 7 library in tree panel in extraction dialog and WinRAR will use its default save location as the destination path.
12. Bugs fixed:
a) renaming a file in archive could also rename all other files with the same name in other folders of the same archive.
b) previous versions displayed the wrong total packed size in "Info" command for multivolume CAB archives.
c) in ZIP archives 'U' (update) and 'F' (fresh) commands could erroneously update even files not specified in the command line. It happened only for files in current folder which names matched files in ZIP archive. This bug was not present in usual 'A' (add) archiving mode.
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