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1. WinRAR - What's new in the latest version
Version 4.00 beta 3
1. Now switch -ep3 converts not only disk letters, but also UNC paths.
So servershare will be converted to __servershare when archiving
and restored to the original servershare when extracting with -ep3.
2. Bugs fixed:
a) previous beta could fail to unpack self-extracting and multivolume
CAB archives;
b) "Create a new folder" command always created new folders
in the root archive folder;
c) "Remove redundant folders from extraction path" option did not work;
d) previous beta crashed when displaying archive comments
with ANSI escape sequences;
e) switches -cl and -cu did not work.
Version 4.00 beta 2
1. "Reenter password for verification" field is not displayed in password
dialog when extracting or opening an encrypted archive. It is present
only when archiving and only if "Show password" option is off.
2. If you enabled "Use for all archives" option when entering the default
password (Ctrl+P) and specified the empty password, extract and test
commands will skip all encrypted archives.
3. If you prefer to use "Install" button instead of "Extract"
in SFX module, but do not need any setup programs, you can add
"Setup=<>" command to archive comment or enter "<>" as setup name
in "Advanced SFX options" dialog.
We changed it to "Setup=<>" instead of "Setup" as in the first beta,
because presence of specific parameter allows to enable this mode also
through "Advanced SFX options" dialog, by entering "<>" as setup name.
4. Bugs fixed:
a) extraction operation activated from Explorer context menu could fail
if several archives were selected and processed at once;
b) WinRAR window title did not contain the current disk name,
when browsing the root disk folder;
c) items related to extraction were not present in Explorer context menu
for 7-Zip self-extracting archives;
d) sorting by "Type" in WinRAR shell did not work inside of archives.
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. Both the general RAR algorithm and most of special RAR multimedia
methods benefit from this improvement. The only module of RAR
algorithm, which is not affected, is "Text compression" method.
2. Changes in ISO support:
a) UDF support is upgraded to UDF 2.50 revision. It makes possible
to unpack most of Blu-ray ISO files;
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.
It is important to know that saved passwords are not encrypted
and anybody having access to your computer can view them.
Use "Organize passwords" feature only if your computer is
protected from unauthorized access;
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.
If you use this option with an empty password, WinRAR will skip
all encrypted 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. These improvements include:
a) better Unicode handling in WinRAR in "Rename", "Convert",
"Find" and other commands, in folder tree panel, in password
request dialog and in many other parts of WinRAR interface;
b) correctly displayed Unicode names in WinRAR items in Explorer
context menus;
c) Unicode support in .lng files, making WinRAR localization
possible for Unicode only languages.
6. Changes in -x<file> 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

3. and enable "Extract relative paths" option, the path part up to
and including the current subfolder will be removed from extracted
file paths.
For example, if you are inside of "BackupMyData" archive folder
and extract "Images" folder, it will be extracted as "Images",
not as "BackupMyDataImages".
This option is the new default extraction mode, but you can change
the default back to WinRAR 3.x style. Just select "Extract full paths"
and then press "Save settings" in "General" part of extraction dialog.
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.
If you need to run WinRAR on older Windows, you can download
previous WinRAR versions from ftp://ftp.rarlab.com/rar
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. WinRAR will create symbolic links
as symbolic and hard links as hard in Windows Vista and newer
and it will create all links as hard in older Windows.
If destination file system is FAT32 or any other not supporting
file links, WinRAR will skip links when unpacking TAR, TAR.GZ
and TAR.BZ2 archives.
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. "Report" command allows to select HTML, Unicode text and usual text
as output format for report file. Unlike previous WinRAR versions,
now WinRAR preservers Unicode characters in reports when using HTML
or Unicode text format. So non-English characters in file names
will be displayed properly in such reports.
13. Message list in GUI SFX archives displays only operation status
and error messages. It does not contain names of all extracted files
anymore. This change improves the speed and reduces memory requirements
for SFX archives containing a large number of files. Also it makes
easier to locate error messages, because they are not hidden among
extracted file names.
14. GUI SFX archives display "Extract" button instead of "Install"
if no "Setup" or "Presetup" commands are present in the archive
comment. If you prefer "Install" button, but do not need to
execute any setup programs, you can add "Setup=<>" command.
15. WinRAR displays the current percent above the operation progress bar
when repairing an archive containing the recovery record
and when processing recovery volumes.
16. WinRAR limits the maximum possible volume size to 4 GB minus 1 byte
when creating RAR volumes on a disk with FAT or FAT32 file system
in volume size autodetecting mode. These file systems do not support
4 GB and larger files.
17. If "Wait if other WinRAR copies are active" option is enabled
and WinRAR waits for another copy, you can press "Continue" button

4. in command progress window to force WinRAR to stop waiting.
So now "Continue" button allows to override the state of
"Wait if other WinRAR copies are active" option for current operation.
18. WinRAR displays one password request instead of two, when saving
an encrypted file back to RAR or ZIP archive after modifying it
in some external editor. Previous WinRAR versions usually requested
the password twice, both when extracting the original file
and archiving its modified copy. Only RAR archives with encrypted
file names were processed with the single password prompt.
19. New error code 10 ("no files") is added to list of error codes
returned in command line mode by RAR and WinRAR. This new code
can be returned by archive, extract, delete and repair commands.
It means that RAR did not find any files matched the specified
file or archive mask.
20. File name area in file overwrite dialog occupies several lines now.
It makes possible to display much longer names.
21. Now switch -ep3 converts not only disk letters, but also UNC paths.
So servershare will be converted to __servershare when archiving
and restored to the original servershare when extracting with -ep3.
22. 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.
Version 3.93
1. Bugs fixed:
a) in WinRAR 3.92 -xd:pathfolder switch could also exclude folders,
which path does not match the path specified in the switch
and only the folder name is the same as specified;
b) switches -y -or did not work correctly together. Switch -or was
ignored in presence of -y.
Version 3.92
1. If you start WinRAR command from Explorer context menu in multiple
monitor configuration, the command dialog will be displayed
on the same monitor as context menu. In previous versions it was
always displayed on primary monitor.
2. WinRAR "Compress and email..." context menu command adds the archive
name to email subject. Previous versions left the subject blank.
3. In RAR 3.91 -x<mask> switch could also exclude folders from archiving
even if mask contained wilcard characters and did not contain a path.
For example, -x*. excluded all those folders, which do not have

5. the extension in the name. Now -x switch uses RAR 3.80 approach
for masks without path, excluding folders only if mask does not
contain wildcards and matches the folder name exactly.
4. Bugs fixed:
a) WinRAR 3.91 reported the incorrect "Unexpected end of archive"
error, when opening an empty ZIP archive created with
"New WinRAR ZIP archive" context menu command;
b) if "Delete archive" option was enabled when unpacking several
ZIP archives and if one of archives was damaged, WinRAR did not
delete archives after the damaged one, even if they were unpacked
successfully;
c) if file matched two different masks in RarFiles.lst, WinRAR
could select the last match. Normally, if neither of masks
is a subset of another, the first match must be chosen.
Version 3.91
1. This version can decompress 7-Zip archives created with
LZMA2 algorithm.
2. Now a password is requested only once when unpacking 7z archives
with encrypted file names from context menu. WinRAR 3.90 asked it
twice.
3. This version can unpack tar.bz2 archives consisting of several
smaller bz2 streams merged together. Previous versions unpacked
only the first nested bz2 stream in such composite archive.
4. WinRAR displays CRC32 of files inside of usual .gz (not .tar.gz)
archives. Previous versions left this field blank for GZIP files.
5. Bugs fixed:
a) WinRAR 3.90 displayed "Save" button instead of "Open" or "OK"
in "Find archive" dialog ("Open archive" command in "File" menu
and "Browse..." command in archiving dialog);
b) WinRAR could display incorrect file names when browsing malformed
ZIP archives;
c) WinRAR 3.90 failed to decompress LZH archives created with
"-lh7-" algorithm;
d) WinRAR 3.90 could fail to delete a part of files after archiving
if delete to Recycle Bin was enabled. This bug was present
when working in Windows XP, but not in Windows Vista and Windows 7;
e) when unpacking ISO file using WinRAR "Extract files..." command
in Explorer context menu, WinRAR could unpack same archived files
twice during the same operation. It displayed the overwrite prompt
when unpacking files for the second time;
f) hexadecimal search in WinRAR 3.90 "Find" command and console RAR
"ih" command failed to find matches if first byte in search string
was greater than 127.
Version 3.90

6. 1. WinRAR version for Windows x64 is available. If you use
Windows x64, it is strongly recommended to install 64 bit
WinRAR version. It provides a higher performance and better
shell integration than 32 bit version.
2. RAR compression speed is improved for multi-core
and multi-CPU systems. This improvement is most noticeable
in Windows Vista and Windows 7 operating systems.
3. "Remove duplicate folders from extraction path" option
in "Settings/Compression" dialog is replaced by more universal
"Remove redundant folders from extraction path" option.
This option will eliminate redundant archive name based folders
from extraction path if you unpack an archive with
"Extract to DestName" context menu command and if archive
root folder contains only one folder and no files.
4. Changes in "Extraction path and options" dialog:
a) "New folder" button creates a new subfolder in currently
selected folder;
b) F2 key renames a selected folder in the folders tree;
c) F5 key updated the tree pane contents;
d) Del key removes a selected folder in the folders tree.
5. You can enable "Show seconds" option in "Settings/File list"
dialog if you wish to see seconds in file dates in file list
in WinRAR shell.
6. "Where to check for SFX archives" options group
in "Settings/Integration/Context menus items" dialog lets
you to control processing of SFX archives in context menus.
For example, if you frequently right click ".exe" files
on slow network disks, you can turn off "Network disks" options
to minimize the delay before displaying the context menu.
7. If you sort files by name in the file list in WinRAR shell,
WinRAR will use the new logical file name sorting,
same as in Windows Explorer, considering digits in file names
by their numerical value. So files will be sorted as
1.txt, 2.txt, 10.txt instead of previous 1.txt, 10.txt, 2.txt.
This new sort behavior is available in Windows XP Service Pack 2
and newer.
8. Ctrl+W key combination can be used to close the main WinRAR window
also as WinRAR viewer windows. "View as Windows text" shortcut
in WinRAR viewer changed from Ctrl+W to Ctrl+I.
9. New command line switch -r- disables recursion completely.
So 'rar a -r- arc dirname' command will add only the empty
dirname folder and ignore its contents. By default, if dirname
does not include wildcards, RAR adds its contents even if
-r switch is not specified.
10. If used when extracting, the new command line switch -ai forces
RAR to ignore file attributes. When using this switch,
extracted files will always have attributes assigned by
operating system to a newly created file by default.
11. If output file name is not specified in "cw" command, console RAR
will send comment data to stdout.

7. 12. When compressing stdin data with -si[name] switch, RAR sets
modification time of archived entry to current system time.
Previous RAR versions did not fill this field, resulting in
meaningless modification time for stdin.
13. Message displayed when you place the mouse cursor on WinRAR
tray icon includes the archive name now. Previously only
time left and total percent were displayed for archiving operations.
14. New 'Shutdown' variable in 'SoftwareWinRARPolicy' registry key
allows to disable "Turn PC off when done" option for security reasons.
Read "Configuration settings/Registry variables" for more details.
15. Better shell extension performance. Now WinRAR context menu will be
more responsive when working with thousands of selected files.
16. Improved compatibility with high DPI Windows display mode.
17. Bugs fixed:
a) WinRAR could fail to open tar or tar.gz archive if such archive
contained a file larger than 8 GB;
b) WinRAR context menu did not work properly in Windows 7 beta
if icons in context menus were enabled and user clicked
a file inside of Windows 7 Library folder;
c) previous WinRAR versions failed to rename files having 5 or more
continuous spaces in the name. WinRAR shell does not display
such spaces for safety reasons, because they can hide an actual
file extension. But this security measure prevented the rename
command to work properly.
Version 3.80
1. Added support for ZIP archives containing Unicode file names
in UTF-8 format. When creating ZIP archive, WinRAR stores
names in Unicode only if they cannot be stored correctly using
the current single byte character set.
2. Added decompression support for WinZip AES encrypted ZIP archives.
3. Improved Unicode support for RAR and ZIP archive names.
4. "Ask before overwrite" and "Skip existing files" update modes
are now available in archiving dialog. They allow to specify
WinRAR behavior when updating already existing files in archive.
Unlike already available "Fresh existing files only" and
"Add and update files", these new modes ignore file date
and compare only file names.
Command line equivalents of these modes are:
a) switch -o enables "Ask before overwrite" archiving mode;
b) switch -o- enables "Skip existing files" archiving mode;
c) switch -o+ enables "Overwrite all" mode (default for archiving).
5. New "Add to context menu" option in "Profile parameters" dialog.
If this option is on, the profile name will be displayed in Explorer
context menus allowing to activate a profile from context menu.

8. 6. New -cp<profile name> switch allows to select a compression profile
in command line mode. It is supported only by GUI WinRAR.exe,
not by rar.exe.
7. New "Options" page of archiving dialog contains the group of
settings modifying the behavior of "Delete files after archiving"
option from "General" page:
a) Delete files. Delete files normally like in previous WinRAR
versions.
b) Move files to Recycle Bin. Deleted files are placed to
Recycle Bin.
Command line equivalent of this option is -dr switch.
c) Wipe files. Before deleting file data are overwritten by
zero bytes to prevent recovery of deleted files.
Command line equivalent of this option is -dw switch.
All these options have an effect only if "Delete files
after archiving" is on. You can enable any of these options
in the default compression profile to change the default
behavior of "Delete files after archiving".
8. WinRAR "Extraction path and options" dialog is now resizable.
You can use the mouse to drag its border to the desired size
and provide more space for folder tree pane. WinRAR will store
new dimensions of this dialog.
9. New "Update" SFX script command and "Update mode" group
of options in "Update" page of "Advanced SFX options" dialog.
These command and options allow to check time and implement
file time based updating;
10. SFX script "Shortcut" command and "Add shortcut..." command
in "Advanced SFX options" dialog now allow to specify
an icon file containing an icon associated with shortcut.
11. New "Wipe temporary files" option in "Settings/Security" dialog
provides more secure, though slower, way to delete temporary
WinRAR files.
12. WinRAR and RAR display the total progress bar when unpacking
a multivolume RAR archive if all volumes are present
in the same folder.
13. WinRAR and RAR automatically expand names of environment
variables in list files. For example, a list file can contain
lines like:
%windir%*.exe
%USERPROFILE%Desktop
This feature is available only in Windows RAR version.
14. Added support of TAR archives with non-zero "extra field" data.
15. Added support of TAR archives, which does not contain
the end of archive entry consisting of 512 zero bytes.
16. Improved Unicode support when dragging files from WinRAR window.

9. 17. Shift+Tab key combination can be used in main WinRAR window to
switch the input focus between interface elements (files, comment,
tree, address) in reverse order. In previous versions Shift+Tab
used the same order as Tab.
18. Corrected a possible WinRAR crash when opening truncated
UDF ISO files.