Questions tagged [7-zip]
7-Zip is an open source file compression and archiving application
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absolute fastest way to zip (not compress) larger files in 7zip?
I need to know the absolute fastest way to zip (not compress) larger files in 7-Zip.
By large files I mean 1Tb or so, this will be done often (multiple times per day).
I tried WinZip because it has ...
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WinRar and 7zip command to extract archive in new folder
Good morning
I would like to know if there is a command in WinRar and 7zip that allows me to extract a compressed file into a new folder with the same file name, equivalent to right-clicking and ...
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What are these pax tarball characteristics and comments?
I created a pax archive with GNU tar 1.34 under Debian 11 and, upon viewing the tarball in 7-Zip (23.01) File Manager on Windows 10, I noticed these fields on the archived items:
Name
Characteristics
...
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2
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How can I extract a .zip file with 7zip with a cmd command?
I have the following problem:
I have a test.zip
This test .zip should be extracted to a "test" folder.
But i have a test1, test2..., test23. So no matter how its named, the folder should ...
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Optimizing 7z command line options for speed and compression ratio of large .bak files
I am currently dealing with a multitude of .bak files, each averaging around 300GB in size, and I need to compress them using the 7z command line. My primary objective is to strike a balance between ...
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Zip Repair that actually works?
We use a ZIP archive as a container for out application's project files. These occasionally turn up corrupted, and almost invariably this corruption is in the form of a lost CRC on one of the files in ...
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2
answers
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opening a self-opening, password protected archive with .zip.exe extension on a Mac
I am trying to open a password protected file:
unzip -v -P password123 filename.zip.exe
The output I get is:
Archive: filename.zip.exe End-of-central-directory signature not found. Either this file ...
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0
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Archive's total file size a lot bigger than the total file size of all its contents
I'm currently browsing through the content of a .obb archive containing the game files for an old Android game. Upon extracting its contents, I noticed that the total data size of the .obb archive did ...
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On the command line how can I tell 7-Zip to disable the new (in 23.00) ARM64 filter?
Question
How can I teach 7-Zip -- specifically the command line version 7z -- that I want to disable only the ARM64 filter, but all others are acceptable?
My goal would now be to disable the ARM64 ...
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Is it possible to recover a tar.xz file with the wrong hex header?
I have a compressed file in tar.xz format, when I try to open it with 7zip it gives the following error:
Cannot open the file as [xz] archive
Errors: Is no archive.
I checked the file in a hex editor ...
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How to zip multiple folders in a directory separately
There are multiple folders in a directory which I want to zip individually with original FolderName.zip and after they are zipped delete the original folders. There are other zipped folders already ...
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When using 7zip from the command line, how can I have 7zip archive creation overwrite the existing archive?
Currently it updates the archive where as I would like the whole thing overwritten. Thanks.
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Trying to zip only an extension
im looking for a solution, since I'm changing all my comics cbr to cbz I'm using 7zip, but i have a problem: sometimes some cbr have many layers of subfolders inside.
Im trying to find a way to just ...
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1
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7-zip unzipping files via command line where the zip contains special characters
7-zip was used in Windows to compress a batch of folders that contained file paths and file names that uses special characters such as € and accented letters.
When the command line prompt is used to ...
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1
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7zip on windows 11 create zip file with password
i'm using the following command from command line
.\7za.exe a "C:\TMP\updates.7z" "C:\test\Output\TMP\*" -t7z -ptest
The file was correctly created, but with no password ...
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99
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What compression options does 7Zip use when you add files with a drag-drop?
When you create an archive with 7Zip, you get a dialog showing you a bunch of compression options. However when you drag-drop some files into an already-open archive in a 7Zip window, you just get a &...
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1
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7z batch file create individual( 7z or zip) with a master PW
I use this command with notepad. Save it as 7z.bat in a folder you want to individually .7z or .zip the files. With -p{pasword} -mhe *.txt
@ECHO OFF
FOR %%i IN (*.*) DO (
ECHO "%%i" | FIND ...
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206
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How can I preserve creation dates when packing/unpacking 7z files?
From my tests, when unpacking files from a .7z archive, 7-zip preserves the "last modified" date but sets the creation date to the time of the file extraction (unpacking).
Is there any way ...
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1
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533
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How to zip files in a specific date range
I'm looking for a way to zip files in a specific date range using a script.
For example I would need something that zips files in a specified folder with date modified being 2020.
I tried the solution ...
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Why Does 7zip give the error that certain files inside a zip downloaded from Dropbox are corrupted when they clearly are not?
My wife has a ton of data that she has worked on over the course of a decade saved on Dropbox, and we are trying to back this up to a local external drive so that we have two copies. I've downloaded ...
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1
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How do I use 7Zip to open a file in an archive with a specific program?
Let's say there's an XML file in an archive, and I want to open it in Firefox but just double-clicking it will open it in notepad, the default program. How do I select the program?
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Unable to decompress Password Protected Zips
I used Coolpad Note 3 lite with Android version 5.1 (lollipop). Using system's stock file manager I compressed many important files and made password protected zips & password protected nested ...
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7zip how to copy file from zip to another zip
In 7zip with 2 panel view, I have 2 different zips open on both sides. I can drag and drop one file from inside the zip on the left side inside the right hand side zip file but it only preserves the ...
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How to unzip all files in a folder to their respective sub-folders using 7-zip on Windows 10?
I see various posts/answers around this topic but the answers did not work.
Environment:
Windows 10
64-bit
7-zip is located in c:\program files\7-Zip
I have a folder d:\zipfiles with many *.zip ...
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0
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30
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How to delta compress audio track file , video tracks file, full webm file into one zip file?
Using yt-dlp -k https://youtu.be/33BT7KIZwTY,
I downloaded audio and video files and obtained a merged webm file.
After running the command, there are three files:
youtube originals [33BT7KIZwTY].f251....
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1
answer
50
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7Zip extract from command line creates subfolders
I have a command line I'm issuing to 7Zip using the e (extract) command, which should, in theory disregard the full paths.
So I start with this:
However, on issuing this command:
C:\Program Files\7-...
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1
answer
662
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Using 7z command Windows 11
I have recently been trying to use 7z in Powershell but seem to be struggling to get it to work. I thought the issue would've just been that I didn't have 7-Zip added to my environment variables, but ...
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2
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Why does changing a source file's name affect the size of its compressed version?
Using gzip on CentOS 7, I just compressed a source file into a .gz file, then I found I got the source file's name wrong, so I changed the source file's name and compressed it again, and interestingly ...
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I was using Winrar but i need to use 7z now. Can u provide an alternative for 'winrar a -ep1 -idq -r -y '
Winrar.exe a -ep1 -idq -r -y filename
-ep1 is used to remove base folder while extracting.
So i need the command for excluding that
one.
Hope this is much clear.
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Compress entire disk with 7-Zip
I want to create a ZIP file with the contents of a NTFS formatted external hard drive. I do not have permissions for many of the files on the drive. I do not want to give myself permissions on the ...
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1
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504
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How can I extract all archives in the current folder using command-line 7-zip, without running the 7z command multiple times?
How can I extract all archives in the current folder using command-line 7-zip, without running the 7z command multiple times? Running it multiple times seems inefficient, and requires slightly ...
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How to fix archive (7z) inefficent? [duplicate]
I want to archive a .mp4 file by 7z but after archiving the size of the file is approximately the original file.
7z config:
Result:
I'm using win 11 and 7z ver 22.01
So do you know how to compress ...
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2
answers
888
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How 7zip generates hash for multiple files?
I have a zero size file.
7-zip generates da39a3ee5e6b4b0d3255bfef95601890afd80709 for it. It's fine.
But if I select 2 zero size files, 7zip generates b47346ddbdd6961a64aa7edf2bc130205fb10f12 for them....
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Extract files in a Windows directory using a loop for 7z.exe and excluding a particular directory
Using a .bat script for 7z.exe on Windows, I'm trying to extract all .zip files to a folder with the same name. I want all output folders to stay in their respective subdirectories. Thanks to Extract ...
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1
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Is there a way to specify where .tmp file is created when updating an archive with 7zip command line?
When updating an existing zip file from command line, 7zip makes a copy of the existing zip file in the same directory and renames that copy with the suffix .tmp# where # is an integer.
Question:
Is ...
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1
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"There are some data after the end of the payload data" on 7zip while extracting a bin file from Gmod workshop
Before we start, this is a near-identical issue from 6 years ago, where the answer offered seem less relevant today due to updates to 7Zip.
While using 7zip to extract a bin file downloaded via ...
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2
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257
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Increase robustness of 7z LZMA archiving?
I create backups of several PHP projects like Wordpress etc, which contain a huge amount of small files. Hence I zip them into one archive to make transfering and checking the file easier / faster. I ...
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Is there a way to choose between single-thread and multi-thread compression in 7z command line tool?
Is there a way to choose between single-thread and multi-thread compression in 7z command line tool?
I want to be able to make the choice so that a process that's meant to run in the background with a ...
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0
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767
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Extracting a PE32 Windows executable archive in Linux
Is it possible to extract a password protected Windows executable (.exe) in Linux?
This is the file's type:
file.exe: PE32 executable (GUI) Intel 80386, for MS Windows
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create zip format whose AES password is UTF international letters
for reason beyond me we want to create zip format encrypted with AES-256, whose password can be International, on Linux.
If we use 7-zip, I found it works when creating 7z file, ie the following works:...
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Is it possible to disable "list file" feature of 7-zip?
We need to 7zip files whose filename starts with "@", but the following command would fail:
7za a -tzip -- a.zip @abc.com
because 7zip has "list file" feature (https://sevenzip....
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microSD card doesn't preserve data and format
I recently bought a new 512GB Toshiba PRO Plus microSD card, SDXC card, to be used with a USB type-A adapter on Ubuntu or SolusOS (linux distro) primarily and to take backups of some 7zip encrypted ...
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New files added to 7zip arhive are not protected by password
I have an archive in my onedrive for business directory that contains sensitive information that I keep password protected for extra security. The problem is, when I add new files to the archive ...
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Write the list of content of a .rar or zip archive into a txt log file with 7z
I have a huge archive.rar and I would like to know its content without extracting it.
Using 7z on a Raspbian
Here are the commands i tried that did just write an empty output.txt file :
sudo 7z l ...
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2
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Is there anything "bad" data preservation-wise about zipping a big dir of subdirs and tons of files?
I have a "gold backup base" directory tree of 48 GB of data containing "11 411 Files, 1 054 Folders".
Since USB/ROBOCOPY/Windows takes forever to transfer many little files to all ...
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0
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How should I best extract "all unique data" from six 45 GB .7z files?
I have just gone through the exhausting process of loading all my "gold backup" storage devices into my computer and, gradually, 7-zipped them and deleted the actual directory trees which ...
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504
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7zip resume archiving after interruption ( command line )
I try to 7z the entire disk on windows, using 7zip. I do simple like this: 7z.exe a Z:\DriveBackupOct15.7z D:\
After a while process interrupted due to "System Error", because i accidently ...
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0
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701
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Very, very slow file transfer/write/delete speeds on a Gen 4 NVME SSD in Windows 10?
On the gneeric unzip functionality offered by Windows 10, I'm looking at horrendous unzip speeds of 1-3mb/s on average, as low as 300kb/s.
7Zip Alleviates this a little, boosting to 100-300 mb/s.
...
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1
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2k
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7zip program infected with malwares and viruses [duplicate]
7zip program infected with malwares and viruses.
Virus Total scanned the installer as good with malicious and suspecious relations.
The 7-zip program
7-zip v22.01 - (may be infected)
From the Virus ...
2
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1
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859
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Is it possible to bypass my old password-protected .7z archive which was saved by 7-Zip in late 2011?
In November 2011, I created a .7z archive file that's about 870 megs, using 7-Zip. Apparently, I password-protected it without saving the password...
I highly doubt that it contains anything of value, ...