Once entered, the master password is valid until Win RAR is closed. Modern TAR tools can store high precision file times, lengthy file names and large file sizes in special PAX extended headers inside of TAR archive.
Close Win RAR and open it again after specifying the master password if you wish to see how protection works. By default, Win RAR uses AES-256 in CTR mode to encrypt ZIP archives. Now Win RAR supports such PAX headers and uses them when extracting TAR archives. New "Store modification time" option on "Time" page of archiving dialog can be used to prohibit storing the file modification time in RAR 5.x archives.
Once entered, the master password is valid until Win RAR is closed.
Usual delete to Recycle Bin also as Shift Del in previous Win RAR versions cannot delete such folders.
If you wish to test only files without checking volumes, you can select files in Win RAR file list and apply "Test" only to them or run: rar t arcname.part1in the command line. While NTFS file system permits file names with trailing spaces and dots, a lot of Windows programs fail to process such names correctly.
If "Allow potentially incompatible names" option in "Advanced" page of extraction dialog is turned off, Win RAR removes trailing spaces and dots, if any, from file names when extracting. Command line RAR also removes trailing spaces and dots when extracting unless -oni switch is specified. Previously "Synchronize archive contents" update mode (-as command line switch) aborted if some of archiving folders could not be read.
It does not affect archive encryption formats and encrypted archives are compatible with previous Win RAR version.
Organizer data is converted to a new format only when you save it and not immediately after installing Win RAR. Prompt proposing to set the master password is displayed when storing a password in compression profile.