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

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2
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1answer
193 views

How to pass parameters in batch file and zip the file using 7z.exe?

I need to create a batch file as per below requirements 1) pass path1 & path2 while running the batch file exl: testrun.bat E:\ERP\test1.txt E:\ERP\header.txt 2) Need to store these command ...
0
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2answers
2k views

how to open a zipped folder shown as zip.xml file?

I zipped some folders using winzip on my old laptop and copied to an external drive. The folders contain all types of files including xls, doc, ppt, etc. Now I am trying to open the zipped folders in ...
0
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1answer
99 views

Zip epub using 7zip and issue with exlude file

I've many epub as folders need to convert it to .epub compressed so i created bash script to that ..which are compress the epub folder to zip then rename it to .epub using 7-zip btw i was try to use ...
3
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1answer
1k views

7zip - Command Line: how to set output path?

I want to compress all HTM files in D:\HTM\ to an archive called comp.7z which is created in D:\HTM\ directory, so I do the following: 7z a -o "D:\HTM" comp.7z "D:\HTM" and get an error, exactly as ...
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1answer
237 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
60 views

How can compressed archives like .RAR be repaired?

I'm interested to know how WinRAR and 7-zip repairs archives but unfortunately I couldn't find any description about this process.So I'm here to ask: How does WinRAR or 7-zip repairing process work? ...
2
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1answer
975 views

How to 7zip multiple folders in to one 7z package?

Let's say there are 3 folders: /a/1 /b/1 /c/1 And any of the folders may contain sub folders like /a/1/x /b/1/y ... How to compress /a/1 /b/1 /c/1 folder with files and sub folders into same one ...
0
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1answer
370 views

How to extract 15GB rar file containing mkv video files

I have a .rar file that contains 15 GB of mkv video files. I am using Windows 7 64 bit and all hard disk partitions are NTFS. There is 500 GB of hard disk space and 4 GB of RAM. I have tried ...
0
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2answers
272 views

How to create a zip file with files in FAT format on Linux

I have to create a zip file (with no compression). I want the files in the zip to be in FAT format. That is, If i use zipinfo command, I should get the following: ... -rw-a-- 2.0 fat ...
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1answer
412 views

7zip not allowing file extension in the archive name

7za.exe a C:\temp\file.txt.7z C:\temp\file.txt Error: there is no such archive why is 7zip not allowing file extension in the archive name? I even tried it with simple period in the archive name, ...
0
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1answer
223 views

All zip files downloaded as 7zip

Ever since I downloaded 7zip, and even after I uninstalled it, is that all my zip files are downloaded as 7z files. How in the world can I stop this?! I have been looking for answers for about a month ...
2
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1answer
95 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 ...
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0answers
301 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 ...
0
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1answer
265 views

7zip file splitting “DVD” setting too big for a DVD

I'm using 7Zip to split some large files so that I can copy them onto DVDs. I've done this before, using 7-zip's "Split to volumes" feature, and using the "DVD" size. This is creating files that are ...
0
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3answers
634 views

Remove particularly tricky items from context menu

I've found various sources of info about removing these annoying things which I never use... but I haven't succeeded in getting rid of the following. (Avira-related:) - Scan selected files with ...
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0answers
329 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 ...
0
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1answer
316 views

7zip reports corrupt file although checksum matches

I transferred a large (140GB) disk image to my machine over ftp in 7z format using 4Gb chunks. When I had downloaded it, none of the chunks can be opened using 7zip. On the first file, I get an "...
0
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1answer
91 views

shortcuts opening as 7zip files [duplicate]

My brother tried to open a .lnk file with 7zip and now every shortcut tries to open in 7zip, how do i undo this or fix this? I genuinely have no idea what to do or where to start and no one else ...
2
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1answer
237 views

How do I zip a bunch of files with the same name with their paths?

I have many files with the same name in many folders throughout a project on a Windows PC. There are hundreds of thousands of source files in thousands of folders. They need to be sent out for ...
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2answers
2k views

Unpacking .z01 .z02 .z03 without .zip on LINUX

I have received several archives and they all have extensions of .z01 .z02 .z03 etc. There is no .zip file and no .z00 file. If I transfer these files to my Mac and run them through un-stuffit, it ...
1
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1answer
3k views

How to change Windows 7 zip icon

I have a strange problem with 7zip and default icons in windows-explorer for file-type *.zip. I know that setting and replacing icons for 7zip has already been thoroughly discussed on the net. I have ...
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1answer
397 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 ...
4
votes
2answers
559 views

Create a .zip file that can be opened by PKZIP 2.50 with 7-zip

I need to create a .zip file that can be unzipped by a very old version of PKZIP - version 2.50. I am currently using 7-zip to try this, but I can use a different zip program so long as it has a CLI. ...
0
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1answer
41 views

Dragging a folder full of files into another folder which automatically zips and moves it to an archive drive

I have a question regarding archiving on windows 7 and I will preface it with the problem in an effort to identify what solution I need. Our workflow process dumps printable files to a numbered ...
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0answers
225 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 ...
9
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3answers
6k views

How to prevent 7-Zip encrypted zip file passwords from being stored on the hard-drive?

I've encrypted a folder with 7-Zip 9.20, specifying 256-bit AES and a password, and the .zip file was created. But then, when I clicked on the zipped file, to my surprise, PeaZip 5.1.1, which was the ...
0
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1answer
55 views

How do I keep folder integrity when compressing files in different folders

I have a batch file that runs on our dedicated servers every day and compresses the files. Here is a piece of the batch file: %SUBDIR%7z a -tzip %fullname% %datapath%\*.txt >>%LOGFILE% %...
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1answer
566 views

Batch File for Download + Unzip (.7z) + Delete + Rename

I would like to create a .bat file in order to download and make following operations on 2 files (FILE1-Date.7z & FILE2-Date.7z) whose names are updated with "Date" information everyday. The batch ...
0
votes
1answer
41 views

How to rebind select command in 7-zip?

In 7-zip, there's a very useful command Edit -> Select which is bind to Grey + , that is, the numeric keyboard + I'm using a laptop, it is unconvinent to access numeric keyboard key. Is it ...
0
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1answer
395 views

How can I have a custom 7Zip batch script work like the “add to archive…” context menu action of 7Zip?

I am trying to figure out a way to select several files and folders in Windows Explorer and add them to a password protected .zip archive using a batch script, 7zip and a custom context menu item. ...
0
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1answer
533 views

Is there a way to compress folders individually using 7zip on a large collection of folders?

How can 260 folders be zipped individually using 7zip with a single command? The person who originally asked this question voluntarily deleted the post. Since it was an interesting task, I ...
2
votes
2answers
207 views

How do I pipe 7za output directly to psql?

I have a Postgres database dump in a .7z archive. I can extract it and import it with: 7za e dump.7z dump psql -h localhost db_name < dump but I'm just running out of disk space. What is the ...
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votes
2answers
130 views

7Zip Zipping up directories

I want to use 7 zip to compress and archive folders but I want it to exclude existing .7z files if they exist and not duplicate them with a .7z.7z ext. I found this but it duplicates the already ...
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4answers
7k views

How to reduce the size of windows OS Iso file?

I have an Iso file of windows 8.1 pro with December '14 updates. The problem is the file is too big to be burned on a normal 4.7GB DVD , its around 4.8. Now is it possible to remove a few updates so ...
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0answers
1k 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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0answers
104 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 7-...
0
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2answers
2k views

how to disable 7 zip from opening normal applications folders and files?

So I've been having trouble with my 7 zip on windows xp. I don't know what i did, but suddenly all of my normal folders,applications and files have started opening in 7 zip,even though their not ...
4
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3answers
640 views

Extract large archive with 7-zip

I have a 76 GB disk image that's split in 28 files (Foo.7z.001 to Foo.7z.028) in "Storage" format and I want to extract it into my D: drive (which has 523 GB available). I've tried all 7-Zip settings: ...
1
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1answer
59 views

7z from bash script won't exclude directories

I've encountered with kinda strange behaviour of 7z (or bash, I don't know yet.). With the following script: #!/bin/bash find /home/user -type f -name "*.pdf" | cut -c 10- > /home/user/...
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0answers
356 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 ...
1
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1answer
627 views

zip file (with spaces in the files name) to unzip and rename files and zip back

I'm trying to rename the contents of a zip file to match the name of the zip file with a batch file. This is exactly what I'm trying to do : http://stackoverflow.com/questions/22853824/zip-file-to-...
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2answers
154 views

7-zip extras for Linux

I want to pack a folder containing various resources and executables into a single self-extracting file and execute a command after that, "setup.exe" for example. I've successfully accomplished that ...
0
votes
1answer
515 views

How to rename 7-Zip split files as name_00N.zip instead of name.zip.00N

On Windows, when I create .zip split files with volumes less than 20MB with a command like: 7z a name.zip files\* -v20M I get one or more files named name.zip.001, name.zip.002, etc. I need to ...
2
votes
1answer
8k 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 ...
7
votes
2answers
1k views

What does combining compression methods in 7z actually do?

The 7z command-line tool lets you specify multiple compression methods, e.g.: # 7-zip archive type, strongest (9) compression, methods PPMd, BCJ2, LZMA2 $ 7z a -t7z -mx=9 -m0=PPMd -m1=BCJ2 -m2=LZMA2 ...
2
votes
3answers
1k views

bat file behaves differently when run from windows scheduler

I have a .bat file S:\BACKUP_db\copytofileserver.bat, which takes some files and zip them to the network drive. Its first command is to delete the old backup at specific network path, then pack the ...
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0answers
275 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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1answer
396 views

What 7zip settings to compress very large partition image?

I have 77 GB big partition backup image in single file and I'd like to compress it quickly. It should compress very well even on worst settings, but choosing GZIP with "Fastest" setting takes about ~1 ...
2
votes
1answer
318 views

Compress / Zip a folder periodically but use minimal CPU?

Similar to this question except, I need it to run with minimal CPU on the background? Also, if there's a 7zip solution that will be nice.
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0answers
46 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 ...