Questions tagged [7-zip]

7-Zip is an open source file compression and archiving application

Filter by
Sorted by
Tagged with
0 votes
1 answer
128 views

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 ...
Stugots2's user avatar
0 votes
1 answer
37 views

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 ...
Elermino's user avatar
0 votes
0 answers
30 views

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 ...
leetbacoon's user avatar
0 votes
2 answers
77 views

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 ...
Roman's user avatar
  • 1
0 votes
0 answers
60 views

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 ...
m'hd semps's user avatar
0 votes
0 answers
148 views

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 ...
Kyudos's user avatar
  • 391
2 votes
2 answers
84 views

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 ...
Daniel 's user avatar
2 votes
0 answers
39 views

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 ...
Oblivion3's user avatar
4 votes
0 answers
114 views

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 ...
0xC0000022L's user avatar
  • 6,845
0 votes
0 answers
27 views

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 ...
Ameruca's user avatar
0 votes
0 answers
136 views

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 ...
Afzaal Ahmad's user avatar
0 votes
1 answer
83 views

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.
albertbarnard's user avatar
0 votes
0 answers
20 views

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 ...
Fernando Benavides's user avatar
-1 votes
1 answer
248 views

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 ...
jarod's user avatar
  • 1
1 vote
1 answer
100 views

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 ...
Luca Nitti's user avatar
0 votes
0 answers
99 views

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 &...
Jez's user avatar
  • 2,958
3 votes
1 answer
155 views

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 ...
André Gravel's user avatar
0 votes
0 answers
206 views

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 ...
summerrain's user avatar
1 vote
1 answer
533 views

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 ...
Pribovich's user avatar
0 votes
0 answers
91 views

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 ...
jaredad7's user avatar
  • 175
-1 votes
1 answer
227 views

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?
H.v.M.'s user avatar
  • 547
0 votes
0 answers
48 views

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 ...
rTx's user avatar
  • 1
0 votes
0 answers
231 views

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 ...
ghostanime2001's user avatar
0 votes
1 answer
1k views

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 ...
carrabino's user avatar
  • 101
0 votes
0 answers
30 views

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....
kouhe3's user avatar
  • 1
0 votes
1 answer
50 views

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-...
user3629010's user avatar
0 votes
1 answer
662 views

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 ...
CadenQ's user avatar
  • 1
1 vote
2 answers
96 views

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 ...
NoobAdmin's user avatar
-1 votes
1 answer
60 views

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.
Ashitha A's user avatar
0 votes
0 answers
101 views

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 ...
user2248702's user avatar
0 votes
1 answer
504 views

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 ...
Hiccup's user avatar
  • 291
0 votes
0 answers
56 views

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 ...
Nguyễn Tri Mẫn's user avatar
1 vote
2 answers
888 views

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....
KeyKi's user avatar
  • 181
0 votes
0 answers
228 views

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 ...
greyhug's user avatar
1 vote
1 answer
200 views

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 ...
Argyll's user avatar
  • 564
0 votes
1 answer
3k views

"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 ...
HFOrangefish's user avatar
0 votes
2 answers
257 views

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 ...
tim's user avatar
  • 340
1 vote
1 answer
332 views

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 ...
Argyll's user avatar
  • 564
1 vote
0 answers
767 views

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
a79ce734e1's user avatar
2 votes
0 answers
212 views

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:...
John's user avatar
  • 123
0 votes
1 answer
122 views

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....
John's user avatar
  • 123
1 vote
1 answer
94 views

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 ...
Shah-G's user avatar
  • 141
0 votes
0 answers
224 views

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 ...
user avatar
0 votes
0 answers
70 views

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 ...
user1719210's user avatar
1 vote
2 answers
104 views

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 ...
Vershawn's user avatar
0 votes
0 answers
58 views

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 ...
Candelario's user avatar
0 votes
1 answer
504 views

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 ...
DoggyDog0393's user avatar
0 votes
0 answers
701 views

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. ...
CuriosLoner's user avatar
0 votes
1 answer
2k views

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 ...
smith john's user avatar
2 votes
1 answer
859 views

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, ...
Turi's user avatar
  • 21

1
2 3 4 5
17