Compression and archive format that stores one or more files into a single file, usually with a .zip file extension.

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0answers
12 views

How to check if .rar file is password protected or not without extracting it in c#?

I am developing a small utility in c#, where I am inserting many compressed files. These files are in different extensions(such as .zip, .rar, .tar, .uue) Now I do not want to extract these files, but ...
2
votes
2answers
46 views

7zip - Use Windows Task Scheduler to zip a file that has timestamp of previous day

I have a web server that generates log files everyday, the log of the day will be automatically saved as Log.YYYY-MM-DD.txt (i.e. Log.2016-07-20.txt). Now I need to use Windows Task Scheduler to zip ...
0
votes
1answer
9 views

Windows batch extract zip files, into folders based on zip name and combining similar zips

I have been searching for a way to bulk extract zip files in a directory and extract them into individual folders based on their zip file name. I found: Extract all Zip's in a directory (incl. ...
-1
votes
1answer
26 views

Can zip files be used to infect an Android device with malware

I received a virus infected zip file and in a moment of insanity (I had just woken up) opened it in Root Explorer (my phone is rooted). I know it is infected because a) Avast detected it on my PC and ...
17
votes
4answers
38k views

How to unzip split files on OS X

How do I unzip a split zip file? In Terminal, I wrote: unzip filename.zip and it did not unzip this file. Terminal wrote: $ unzip filename.zip Archive: filename.zip warning [filename.zip]: ...
1
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1answer
707 views

Uncompressing a .zip file in Linux

I have a .zip file (it contains multiple files, e.g., file1.txt, file2.txt, file3.txt) in a directory. How can I extract the files from the zip archive into the very same directory? And how can I ...
0
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1answer
14 views

How to zip files with --junk-files and create top level container

I have file with filepaths that I want to zip. At the moment I'm doing it like this: zip files.zip -j@ < filepaths.txt This works, but it creates .zip file that, when unzipped, unzips all of it'...
0
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1answer
3k views

Split a folder of files into multiple zip files based on size or # of files

My problem is that the file uploader I'm working with will only allow a zip file with a size of 10mb or less. Unfortunately, I have thousands of files that need to be processed and I do this by ...
0
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1answer
52 views

How to upload dependency files to AWS Lambda

I'm trying to make a python-based AWS Lambda function need to import a module. I followed the instructions in Creating a Deployment Package (Python) on Amazon. When I create and upload the ZIP file, ...
9
votes
5answers
19k views

How do I enable multi-threaded LZMA2 using 7-zip 9.20 on the command line?

How do I enable multi-threaded LZMA2 using 7-zip 9.20 on the command line? I know this is normally done with the -t option like so: "-tzip" . How do I do this with LZMA2? I tried -tlzma and -...
0
votes
1answer
20 views

windows extract all not working properly, trying to extract compressed content

for a colleague I have created a zip containing two projects, each having multiple docker images that are compressed to xx.tar inside them. The idea is that I can give her a zip file of the whole ...
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votes
1answer
12 views

Protecting from malicious zip files with vbscript and file association change

I think it would be useful to pass zip files to a VBscript script that would pop up a warning to the user that they are opening a potentially dangerous file and give them the option unzip or not. I ...
8
votes
2answers
5k views

Mount Zip on OSX

Is there any way to mount a zip (or tar, or any compressed file archive) as a volume on OSX? If this is a stupid question for some reason (the structure of zip archives), that would be good to know ...
0
votes
1answer
24 views

Rezip file without creating temporaries

Maybe it's best I just start off with the use case. I have a large zip file full of many files and I suspect it was originally zipped at a low compression level. I want to create a new zip file from ...
39
votes
6answers
36k views

Compressing folders on a mac, without the .DS_Store

Is there anyway to get rid of the .DS_Store when compressing a folder on a mac? I work on a mac and send work to clients in zip format, but always get questioned on the .DS_Store folder inside them. ...
0
votes
3answers
36 views

Unable to extract Zip files with password

I am unable to extract zip files secured with password using the Windows built-in compression utility. It prompted me for password and after I supplied one, it kept complaining "wrong password" ...
15
votes
6answers
14k views

How can I test all zip files in a folder to verify if they are corrupted or not?

There was a utility a long time ago called CFAtest that was doing this quite nicely, but it has disappeared. Basically, I am looking for a similar tool (preferably graphical) that will traverse a ...
0
votes
2answers
66 views

How can I quickly decompress a 1TB (5 million file) 7-Zip (7z) file stored on a NAS

There is a 7-Zip (7z) file (size: 1TB with about 5 million files inside) in a NAS device running in iSCSI mode. The 7-Zip file was compressed by the “only store not compress” mode. When the files ...
0
votes
2answers
23 views

Why can I still read compressed files?

Why is it that when I Zip some files in Windows and double click on the resulting file, I can still see all the files in their original form? Since they were compressed, shouldn’t they be illegible? ...
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2answers
646 views

Can a ZIP file auto-execute files from inside it?

I had a conversation today with a staff member of my e-mail hoster, because the hoster just blocked some mails of customers of me, because they contained ZIP files. After I asked why the mails have ...
0
votes
1answer
25 views

7-Zip Ultra - Does zipping multiple other 7-zip ultra compression files have any significant size difference?

I have a lot of files, mostly png and pdf, some svg, some various others, that need to be transferred. Multiple TB worth, files individually aized anywhere from a few kb to a few mb. The problem is ...
0
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0answers
34 views

Prevent windows 10 from saving zip password

It seems that windows 10 saves the password of zip folders during your login session. Once you enter your zip password once, you can access the file as many times as you want during one login session. ...
0
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1answer
28 views

Windows recognzie file format as a zip archive

Windows Explorer will automatically open .zip archives as a file folder. I'm making a custom file format for some data analysis that is nothing more than a zip archive of text files. However, I want ...
3
votes
3answers
3k views

decompress ZIP with given encoding

I got ZIP file(s), which contains files, which filenames are in some encoding. Let's say I know encoding of those filenames, but I still dont know how to properly decompress them. Here is example ...
0
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0answers
14 views

ZIP multiple files of a directory into a single file and unzipping

I wanted to zip the files WMS_A.csv, WMS_B.csv, WMS_C.csv which are present in the directory /u02/apps/rwms/forms/bin/insight into a single .zip file. I tried using zip -r command. However while ...
16
votes
7answers
21k views

7-Zip doesn't ask me for a password for a ZIP file I encrypted while double-clicking it

I just tried to encrypt a folder with 7-Zip by a command line, choosing a password, but when double-clicking on the ZIP file, it shows me the files list without asking any password. Is there a way to ...
2
votes
1answer
44 views

Command line 7-Zip exclude

I have tried this many times, but not yet got it. How do I use 7-Zip to zip a directory without one directory inside other? Like: I have a folder /home/files/ and inside that, directory1/ and ...
1
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1answer
38 views

Windows- how do I create my own file extensions, and associate them with my own program?

I have developed a C# WPF application that will display .pdf files to the user. The user can load the PDF directly File --> Load --> (select PDF file) --> Open after selecting the PDF, and ...
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votes
1answer
47 views

How do I change pathname of a file in a zip

Is there a shell command or other way to alter the pathname of a file stored in a zip in OSX?
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1answer
44 views

Secure ZIP is giving error while trying to extract excel files from zip

Here I am trying to extract excel file from a zip file, which is giving below errors. I don't have option to use either 7-zip or winzip Secure zip error console Edit-1 : integrity test result
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2answers
35 views

How can I compress multiple files to multiple zip using 7-ZIP?

for example I have one folder which contains below mentioned files: 001.txt 001.doc 002.txt 002.doc 003.txt 003.doc Continue.... I want all similar file names each in separate zip. e.g. 001.zip ...
0
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1answer
32 views

Is it possible to make somehow multi volume RAR archives by reading data from named pipe or standard input?

I usually RAR my files into 200MB parts on my VPS, and free space is always scarce. Would be nice to make the multi volume part1.rar, part2.rar etc. archives from a named pipe, which could be fed even ...
22
votes
3answers
74k views

What are the best options to use when compressing files using 7 Zip?

I often have to gather log files and upload them to a central server (Owned by another company). The central server has a size limit of the file, so I am trying to create the smallest file possible ...
4
votes
2answers
11k views

Is there a simple, automated way to convert a large number of files between ZIP and RAR formats?

I have about 500 RAR archive files and 300 ZIP files that I want to burn to a DVD and give to someone else. I would like these 800 different archives to be in the same file format, so either 800 ZIP ...
3
votes
2answers
125 views

7zip - Create self-extracting Archive (sfx) with specified Extract path

Hello SuperUser Experts, Thank you for your help in advanced. I am trying to get the 7zip SFX archive to create an executable. I am able to get the executable. But when I run it, it give the ...
0
votes
1answer
27 views

Search zipped files and list content

I have a folder with many archive files. How can I search all the files and list their content (possible extract to excel or to any other document) of the zipped files without extracting them?
0
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1answer
35 views

Create Send-To-Compressed(zipped)-folder event shortcut on Windows10

I have a really simple question to which I haven't been able to find the right simple answer to. I'm working a lot with zipped (compressed) folders. I want to improve my workflow. After selecting all ...
0
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0answers
11 views

Unable to see the contents of ZIP folders within PuTTY

I hope all is well! I'm having trouble with unzipping folders on PuTTY and I hope someone could help. Whenever I enter unzip FOLDER, which is within the highest hierarchy, and type ls to see the ...
0
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0answers
17 views

Extracting zip files within zip files

I have a file which contains an unknown extremely high number of zip files, only within each other, and a file at the bottom, like so: zipfile\zipfile\zipfile\zipfile\zipfile..........etc.etc.\...
0
votes
1answer
31 views

.zip made on Mac OS, .jpg files with weird characters on Windows

I received a zip file from a Mac OS user with several hundred of .jpg files, some with very long names. Opening the .zip file wit 7-zip on my Win 7 machine, lots of these files have very weird ...
16
votes
3answers
36k views

How do I create separate zip files for each selected file/directory in 7zip?

This is the internal zip packer from Total Commander: However I want to use my 7zip packer. When I select 5 files, I get 5 separate .zip archives for each selected file. How do I do that in 7zip?
0
votes
1answer
25 views

Recompressing zip - integrity check

I have multiple large zip files and I would like to recompress them without unpacking them (I run the risk of running out of disk space). I am thinking of using advzip for that task. However, I want ...
0
votes
1answer
18 views

How to find extracted Zip files and their folder in mac

How can i list all zip files and their extracted folders in order to remove one of them, i downloaded lots of zip files in years(like everybody) and extracted them so now they are taking twice as ...
0
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0answers
16 views

Show zip files in windows explorer folder tree

In Windows Server 2003, how can I always show compressed folders (zip files) as sub-folders in the Folders View of Windows Explorer Bar? Thank you
0
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1answer
66 views

List zip file's contents using 7zip command line with non-verbose machine-friendly output

Is there a way, in windows, to use 7z.exe's list command such that the copyright heading, file information, and column headers are skipped and you're left with just a terse machine-readable list of ...
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1answer
19 views

Stop PKWare from zipping attachments

Recently I installed PKWare SecureZip on my machine and incredibly annoying it is zipping all my attachments and I can't figure out how to make it stop. The PKWare Help is useless.
0
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0answers
113 views

Empty .zip file at end of Windows Backup & Restore backup

I have a Windows 7 or Vista computer that was backed up onto an external drive (WD Passport) using Windows Backup & Restore every week for almost a year. Now I am viewing these files on a Windows ...
2
votes
2answers
1k views

zip command on linux how to force to zip only files and not whole directories structure?

I want just stupid, simple thing. ZIP all the content of given directory. What I get as result of: zip -r /home/andi/MEDIA_DUMPS/xyz_media.zip /home/andi/xyz/mega_backend/mega_www/media Is ...
0
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1answer
144 views

Unable to extract .zip file of Win8 theme

I downloaded some themes for Windows 8. But when I try to open it, I failed to open the .zip file. Even I was unable to extract the contents. While tried to extract, it was showing error like : The ...
0
votes
4answers
63 views

how to verify whether a compressed .gz is corrupted or not?

I have many gz downloaded from the internet, and I would like to make sure they are not corrupted. Does the fact that I can open the archive with winzip on windows proves that everything is fine? I ...