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

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1answer
764 views

Strip path segment while extracting using 7zip?

Is there a way to extract a 7z archive that contains all it's files within a directory without creating this directory in the file system but still keeping the sub-directory structure of the archive ...
3
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1answer
259 views

Is there a way to make 7zip temporarly uncompress the whole archive when double-clicking on an exe?

In WinRAR, one feature which I like is the fact that you can set it to uncompress the whole archive in a temporary place, if you double-click on an .exe file inside the archive opened in WinRAR. ...
2
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1answer
1k views

7zip - self-extracting executables require admin privileges and trigger compatibility warning

When I create self-extracting archive executables for Windows with 7zip, the .EXEs trigger UAC on Windows7. And frequently after unzipping, I get this: I'm using commandline like: 7z a -sfx7z.sfx ...
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1answer
1k views

What does the number after 7-zip's -m switch mean?

7-zip has a command line switch to set the compression method, -m followed by a number, e.g. -m0=LZMA. What does the number (0 in the example) mean? Different numbers produce slightly different ...
2
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1answer
3k views

How to add files to specified folder in archive with 7zip command line

I have folders and files on my disk C:\builds\main.exe D:\components\a\testa.exe D:\components\b\testb.exe D:\components\c\testc.exe D:\dependencies\abc.dll Can I create an archive with 7z command ...
2
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1answer
457 views

How to give the 7z file the name of the current directory?

How to compress a directory with 7zip and give the archive file the name of the current directory? I use the following command line: "C:\Program Files\7-Zip\7z.exe" a -mx9 archive.7z -mhe=on ...
1
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1answer
24 views

7-zip update: skip operation if nothing has changed

I am using 7-zip to backup folders on my disk into 7z archives on a network storage. Each time the backup script runs, it will update the existing archives in 7-zip update mode (compress new files ...
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1answer
66 views

Zipping Sub-folders

I want to use 7-Zip to zip subfolders to another folder on the same drive. Each sub-folder has zillions of text files. I just want to zip subfolder as a whole via Powershell. I have a script but ...
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1answer
3k views

7-Zip: Unsupported Compression Method while trying to extract a zipx file that consists of JPEGs

A zipx file I received consists of .csv files and .jpeg files. I used 7-zip to extract them. While the .csv files were sucessfully extracted, the JPEG files didn't. The error was something like this ...
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1answer
486 views

7-zip -xr!*.bat is creating an empty archive with the batch files name

I am trying to exclude files from a 7-zip batch. The syntax is: for %%A in (*) do "C:\Program Files\7-Zip\7z.exe" a -tzip -xr!*.docx "%%A.zip" "%%A" -xr!*.bat The command is creating zip files ...
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1answer
119 views

How to unzip a zip file to a folder but avoid duplicate folders?

I think you all know that: you're getting a zip file and you don't know whether it contains all files in a folder or only the files. In order to not get a messed up directory, I never use "Extract ...
1
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1answer
308 views

7zip command to extract with full paths (excluding first folder level)

Using 7zip command line version, I need to extract a .7z file with full paths but excluding the first folder level within the archive. I thought that this command below would work but it still ...
2
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0answers
28 views

Why does 7-Zip's compression speed lower over time?

I'm busy backing up my local server files, which amounts to just under 4GB of data in ~295000 files. I selected 7z as the format, and set the level to Store. The process started pretty quickly, but ...
2
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0answers
54 views

Is it possible to make 7-Zip also extract all the other files when double clicking an exe?

With Winrar, when I double click an exe file in an archive, it also extracts all the other files in the archive, which is really handy for when the program depends on the other included files. I want ...
2
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0answers
600 views

Can you fix a corrupted 7z file?

So, I had a cd, with a scratch on it. The cd contained a 7z file. When I try to copy the file it gave me an error, so I used corrupted disk repair fixer and I managed to open the 7z, and view the ...
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0answers
722 views

Command line switching

I have read through some suggestions but I am just not technical enough to get this I think. I am a CAD designer and each file has 5 files associated with it. I have 3 sets of 5 files, and each set ...
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0answers
123 views

Windows .bat script to recursively archive (with 7zip) files in subfolders

I'm struggling to achieve the following DIR1 FileA FileB SUBDIR2 --->FileC --->FileD --->SUBDIR3 ------>FileE ------>FileF etc and end up ...
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0answers
53 views

7-Zip: Opening image from 7z archive produces error code 0x8000000a

I've tried encrypting a folder containing a text file and an image with AES encryption using the .7z format. When I enter the password to open the encrypted folder the two files are displayed. I can ...
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54 views

7zip on command line: can I use both include and exclude switches?

Here's my directory structure (in Windows 8.1): parentdir\ child1\ child2\ grandchild1\ grandchild2\ grandchild3\ ... child3\ child4\ ... Using ...
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0answers
37 views

Possible to make a switchless install from a password protected archive?

I am using 7-zip to make a switchless install (method for doing so here and here). I would like to use a password protected archive to make said install to help prevent the average user from simply ...
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0answers
79 views

How to hide error dialog box in 7zip?

I am using "C:\Program Files\7-Zip\7zG.exe" -y x -pmypassword "D:\Myfile.rar" -o"D:\Extracted Files\" for extracting a file encrypted with password. Now if 'mypassword' is not the correct password ...
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187 views

How can I create a self-extracting executable from the windows command line that accepts the default install directory as a parameter?

I have tried several different methods including winzip command line and 7zip, but I cannot find a method that will let me create a self-extracting executable that will extract to a specific directory ...
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0answers
221 views

How I can identify the packer which was used for creation of some crapware installer bundles (setup.exe)

A lot of so called "freeware" bundle installers contains one or more unwanted disgusting crapware components like the evil ask toolbar or other similar hexadecimal shit. Is it possible to identify the ...
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474 views

7zip command line - extract all files in a folder except *.exe

I am using the command: 7z.exe x -y -o<dir> <archive dir> * -aoa -r to extract all archives that are located in the archive directory. I am running into a problem where exe files that ...
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0answers
102 views

How would i make 7zip take a folder + subdirectories and individualy zip to bzip format each file in each sub directory

I want to know how to make 7zip take a folder + subdirectories and individualy zip to bzip format each file in each sub directory. if there is not a way then oh well.
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1k views

'No such interface supported' when attempting to compress file through 7zip commandline

When I run the 7zip commandline: > echo foo | 7za a arc.7z -sifoo.txt Everything works as expected, but if I try to do: echo foo | 7za a arc.zip -sifoo.txt I get the following: ...
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167 views

How to make a split archive for DVD storage where single files are extracted from the set without needing all the DVD's

I'm getting ready to 7z/rar/whatever 1125 files (About 300GB) into a split archive with each piece being 4,700,372,992 bytes. The idea is that I can put each split onto a DVD+R that will fill the DVD ...
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18 views

How do I decrypt seczip AES256-encrypted files using 7-Zip?

Using 7za on SLES 11, how do I decrypt AES256 files? I have created these files on a mainframe using “seczip” with password protection and AES256 encryption. I want to decrypt them on an SLES 11 ...
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19 views

Set maximum size of zip/7z archive

I have multiple files that I would like to pack into archives of no more than 100MB. The only option I could find was to split the archive into volumes, but what I want is standalone archives that can ...
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57 views

how unpack rar file?

i try unpack rar file: http://fias.nalog.ru/Public/Downloads/20150309/fias_dbf.rar (4+ gb), but get errors from every methods. i try unpack with unrar-free package, my command: unrar-free x ...
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20 views

Using 7zS.sfx - Any way to force uninstall of all versions (current or previous)

Here's my situation: I am building an application using a setup and deployment project in VS 2010 and packaging it into a self-extracting executable using 7zS.sfx. Generally, my users like to execute ...
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21 views

Odd 7z Extracting Behavior

In short, I would like to use command-line 7z to extract an archive and recreate the directory structure of the archive. I know the function letter for this is "x" yet it does not seem to work for ...
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0answers
35 views

How to create a script to intelligently .zip numbered files?

I have a directory with a bunch of files with numbered file names (e.g., 002361). I'd like to write a script to regularly .zip them (or .rar, or .7z) based on their file names AND only update the ...
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392 views

How to unpack rar archive with p7zip under Centos 7

I'd like to make my 7z command to be able to extract RAR archives. I have installed p7zip and p7zip-plugins packages from EPEL repository. However, if I try to extract a rar file like this: 7z x ...
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84 views

How to modify files within mszip (cab) executable?

I can list and extract certain executable contents using 7z. It seems to be using standard compression methods. Path = test.exe Type = Cab Method = MSZip How can I modify files inside that ...
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44 views

Linux equivalent settings for 7zip

I'd like to use the same settings as below (Win7) on Linux to compress files, but I fail to get equal compression results, for which I blame myself not correctly using 7za. So far, I have 7za a ...
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29 views

Fixing the 7-zip COM surrogate issue?

My favorite archiver 7zip is unable to open the pictures in Windows Picture Viewer. The creator Igor Pavlov Says: The Program1 (some photo file handler) calls another Program2 (windows photo viewer) ...
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0answers
253 views

Why does Firefox keep trying to download 7zip_14396_stf.exe and setup_tsv48ouvr.exe

When I start Firefox for the first time, two files try to download, but their download fails. I have searched to find out what these files are. The "7zip" file is from safe downloads, and it looks ...
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146 views

Extract and delete all zip and rar files in subfolders + rename if files in archive have same name

i have few thousands rar and zip files in folders and subfolders. I want to extract them, and if there are the same filenames, for example: dir1 -subdir1 archive.zip ...
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71 views

What switches can be used to install 7zip?

I'm looking for a comprehensive list of switches 7zip will accept when installing. The 7zip FAQ only seems to list silent switches: How can I install 7-Zip in silent mode? For exe installer: ...
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79 views

Have a self extract archive extract to specific folder

How can I create a self extracting archive that will extract the contents into a specific folder? Any program or method is acceptable on windows.
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0answers
61 views

Sequential Compression of [Text] Files (7zip and Windows)

This is with Windows 7. I have an iterative process, and on each iteration it produces a text file. What I want to do is compress this text file on each iteration to an archive. I'm using vb.net and ...
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151 views

Can't extract really long file name with 7-zip

I have scoured this page which seems to be the only info I can find on extracting really long file names. Although the examples in this page deal with compressing, I would think the same principles ...
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128 views

command line extracting especified file from 7z file

I would like to extract a specific file from a 7z file, but that filename exist twice on different directories. How can I choose one of them? I tried using compressed path but I received an error ...
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642 views

7z.exe (How to Add or Delete Files inside a SubFolder in *.jar file?)

I am totally new using 7za.exe! I heard that 7za.exe also called as 7zip was being used to replace or add files inside a jar file extesion! I am trying to replace or file inside 3 sub folders in a jar ...
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404 views

p7zip installs, but doesn't install? (7za: command not found)

I've uploaded it to /usr/local and used ./install.sh with ssh. I get the following: - installing /usr/local/man/man1/7z.1 - installing /usr/local/man/man1/7za.1 - installing /usr/local/man/man1/7zr.1 ...
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265 views

Is it possible to recover partial compressed files?

Of the most popular compression methods (7z, RAR, Zip, GZip) is there any of them that allows to retrieve the uncompressed data from a partial file? Imagine there is only one compressed file, and it ...
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1k views

How to fix 7z.tmp file created in Windows xp?

I created large .7z.tmp file without noticing the .tmp extension. Now I can't open it to salvage the files which were not kept elsewhere. I have seen code by Igore that looks like it fits this problem ...
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34 views

How to manually add shell integration for 7zip on Win7 64bit?

My company insists I use a company-provided installer for 7zip. I'm running Win 7 64 bit. The installer has been marked to be 64bit ready. However, it doesn't install the shell extensions properly ...
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33 views

7-zip encrypted file corruption - How to recover file?

I have an uncompressed but encrypted 7z archive. If I manually corrupt a byte in there using a hex editor, 7zip will say that it can't decrypt the specific file containing the error (but it will ...