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

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1answer
12 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.
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0answers
111 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 ...
-1
votes
0answers
15 views

Does Windows 10 automatically compress files?

I stored a directory in a zip file using PKZip's SecureZip but the zip file is the same size on the disk as the directory was. Is Windows 10 silently and automatically compressing all my files? I ...
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 ...
17
votes
3answers
34k 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]: ...
0
votes
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
25 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 ...
0
votes
0answers
15 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
9 views

lighttpd with zip extension

I wanted to optmize a project i have by trying out lighttpd instead of apache2 on a Raspberry Pi, but noticed that my php code handling zip files no longer worked because the Zip module for PHP doesnt ...
0
votes
1answer
21 views

Zip only data from folder in Linux

I have a folder with some data like this: folder |- data1.txt |- data2.html ... |- folder1 |- other data ... ... (some folders or data) ... and would like to archive only ...
0
votes
1answer
51 views

How do I recover a ZIP file in WinRAR that's inside of another RAR file?

I tried to use WinRAR to extract an archive, but I couldn't extract all of it because of 1 thing: a file inside the archive was corrupt. I tried using Alt+R, but it tried to do it to the entire ...
1
vote
1answer
12 views

can't zip folder under linux mint on external ext4 hdd -no permission

I can't zip a external hdd even if i set the permission to my username. I tried sudo chown -R user:user /folder/in/media, but i still have no permission to zip via the gui of the system. i even have ...
0
votes
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 ...
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0answers
20 views

What Linux zip option overwrites the zip file?

Is there an option for Linux zip that is equivalent to rm foo zip -r foo foo/? I'm using Info-ZIP's Zip 2.31.
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votes
1answer
39 views

ZIP File Viruses

If I open a ZIP File, and attempt to open an example of "Virus.exe", my antivirus tells me that this file is unsecure or whatever, and I press on Don't run, is there still the possibility of my ...
0
votes
1answer
36 views

Why do tar.gz files download faster than .zip files?

I have a Linux build server that I frequently download from and I have noticed that the .tar.gz files have download speeds approximately 3 times faster than .zip files. However, to my understanding ...
0
votes
0answers
28 views

Zip file corrupt and cannot be repaired

I have organized all my pictures in a Zip archive folder. I am trying to extract my image data from a Zip file but I get an error: access to the compressed zipped folder is denied How can I ...
5
votes
6answers
28k views

How to zip a big folder into small files limited to 20Mb?

I'm looking for way to zip a big folder into many 20Mb files. I don't want the zip file split into smaller ones. Instead I want to group some sub files/folders into groups which is 20Mb when zipped. ...
3
votes
1answer
61 views

Alter .zip double-click action to work with .7zip (Windows 10)

Currently my setup has it so that all file extensions that are supported by 7zip are extracted on double click into a folder pertaining to the name of the archive. This works perfectly on all file ...
1
vote
2answers
50 views

Use ISO instead of ZIP or RAR to store files?

I have been doing some backups of my old files and lately I was wondering if there is another method of storing and compressing files other than ZIP or RAR. In my case, I want to store various group ...
0
votes
1answer
23 views

Unziping multiple ziped and rename automatically files with same name if needed

I have a bunch of Ziped files in a folder, and i would like to unzip all, ut automatically rename folders or files with the same name, example: In ZIP_folder_1.zip and ZIP_folder_2.zip i have one ...
2
votes
1answer
405 views

Prevent Chrome to unzip files while downloading

My Chrome keeps unzipping gz files while downloading. I don't know how to prevent this except turning on IExplorer or other browsers. I can't find any settings or any flag to prevent this. What ...
0
votes
1answer
28 views

7zip batch file does not include extension Why?

I found the below batch file and it works fine but I need the code to add the extension to the final zip file. I am sure this is a simple question but I have tried everything. @echo off cd /d %~dp0 ...
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votes
1answer
28 views

How to unzip multiple ziped files and rename automatically if needed

I have a bunch of Ziped files in a folder, and i would like to unzip all with: unzip ZIP/*.zip But automatically rename folders or files with the same name, example: In ZIP_folder_1.zip and ...
3
votes
4answers
741 views

Why are there binary differences among compressed files generated exactly the same way from the exact same starting file?

I use the "diff" command to compare two compressed files generated using zip on the exact same starting file and they are reported as being different. However, when I uncompress them and use the ...
14
votes
5answers
12k 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 ...
6
votes
4answers
4k views

Missing send to “Compressed (zipped) folder” after 1511 update or drag+drop to .zip

After allowing the Windows 10 1511 update to be applied, all options have disappeared from the right-click "send to" menu, except for "Bluetooth Device". Additionally, I can no longer drag and drop ...
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votes
1answer
35 views

Why is plain jar file compressed to 76% but after ProGuard shrink & obfuscate; it is compressed to 102% ?! How to fix?

I have a jar file of size 392 MB. I made another copy of it, so I have now two copies of the same jar file. For one of them I used 7-zip to compress it. It is compressed to 76% of the original size, ...
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votes
1answer
28 views

Infection with virus just by extracting an archive (zip/rar/iso)?

is my Computer compromised with a Virus, when extracting an archive like zip/rar/iso with WinRAR, which contains an (Virus-)downloader.exe even when i didn't start the executable? and the Anti Virus ...
0
votes
0answers
41 views

how to extract .exe files from .zip archive (7-zip stuck on executable)

I face a problem that when I want to extract some .zip archive which includes .exe it will always stuck on that executable and do nothing. I never had such problems before, i can't remember at least. ...
0
votes
1answer
21 views

TAR and compress a directory but skip compression on already compressed files

I want to TAR and compress a user's home directory as efficiently as possible. The problem is there are a lot of large and already compressed (gzip/bzip2) and hard-to compress files (binaries/data) in ...
1
vote
2answers
60 views

Bind a Exe and a ZIP file in one Zip file for a minecraft resource pack

I want to bind a Exe and a ZIP file in one Zip file for a minecraft resource pack so when I open the zip file it opens the .zip file and the .exe at the same time. I have already tried a couple of ...
0
votes
1answer
77 views

Copy file as raw binary text

I do need to copy the jce_policy-8.zip from my Mac to a Citrix Desktop on Demand. The customer blocked every fileshare and Download. So I have tried to copy the .zip as raw text. Source I open the ...
3
votes
3answers
4k views

Will Windows viruses infect RAR or ZIP files?

I heard from some techie person that .rar and .zip files never get infected by viruses. Is this true? If yes, then why such behavior?
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votes
2answers
6k views

zip: Unexpected end of archive

When I try to extract my 1.15GB downloaded .zip file am getting following error: ! D:\N750XXUCNG6_N750ODDCNG5_INU.zip: Unexpected end of archive I have tried this ...
0
votes
2answers
32 views

Edit executable file, instead of run, in Compressed Folder Tools

When I open a .zip file in Windows 10, and view it in its Compressed Folder Tools, I can open text files, Windows documents, etc. But for executable text files, like .bat or .js, the open option tries ...
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votes
0answers
11 views

7zip File Compression Auto-Selection

When I'm zipping a folder hierarchy, I'd like 7zip to automatically detect whether a file in the folder tree is or is not already compressed, so that it automatically chooses whether to merely add an ...
0
votes
1answer
14 views

What is the fr signature in zip files?

I use the 101 editor for easily editing zip file's properties. I noticed there being one of the "properties" in a structure called ZIPFILERECORD. The structure has the value of the name of contents of ...
2
votes
3answers
1k views

Create multiple zip files that are not dependent on each other?

I want to compress a folder into multiple zip files of 50MB each but don't want them to be dependent on each other. When I use Winzip and use the split feature it creates one zip file and the others ...
0
votes
1answer
69 views

How to open a corrupt XML file inside a ZIP archive

My work doc is corrupted and I know how to fix it, I just can't open the document.xml file because WinRAR is saying its corrupt. I can't get any repair tool to look in the zip file to repair the file. ...
0
votes
0answers
24 views

R package not installing under windows

I have an R package that I wrote called myRpkgHere and under linux when I can install it using R CMD INSTALL myRpkgHere which yields the following output: * installing to library ...
0
votes
0answers
12 views

How to emulate WinRar profiles in 7-zip?

In WinRar, I can configure a specific set of file exclusions and save it to a profile. This way, everytime I want to compress some directory, I need only to choose this profile and the exclusion list ...
1
vote
1answer
64 views

Extract .7z archive keeping modified dates of extracted folders

I have a .7z archive created with 7zip, and I can see the contents, including the folders with their modified dates intact. When I extract the archive however, the newly extracted folders all have ...
97
votes
3answers
51k views

What is __MACOSX folder?

What are these __MACOSX folders I keep seeing in zip files made by people on OSX? Some take as much as 30% of the file. What program are producing these __MACOSX folder and how can mac users avoid ...
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vote
2answers
34 views

How to zip a pair of files with a specific naming convention?

I have translation files in a folder similar to domain-cs_CZ.mo domain-cs_CZ.po domain-da_DK.mo domain-da_DK.po domain-de_DE.mo domain-de_DE.po ... Now I would like to have all languages separated ...
0
votes
2answers
44 views

Extract .tar.gz file that has files with .gz extension

Using this question I 'zipped' the folder with thousands of images on apache server. This apparently changed the files inside the folder itself and zipped the files. But that's not the issue atm. I ...
0
votes
0answers
20 views

7zip is creating solid .zip files. Cannot add/remove/overwrite to .zip files ad-hoc

I'm using 7zip as an archive creation tool. .7z files may be created as solid or nonsolid files. .zip files are supposed to be inherently nonsolid. I have ~5GB of hierarchal folder/file structure ...
0
votes
1answer
30 views

Is it possible to parse a zip file without extraction in PHP

I have 4 questions: Is it possible to scan the entire zip file and navigate inside it without extracting the entire zip using PHP? Will it be time efficient? i.e. I have a zip file of about 50GB ...
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1answer
63 views

Exclude files and folders when zipping using WinRAR

I have a folder containing subfolders named A, B, C, and some files like file1.doc, file2.bat, file3.doc. Is there any option of the WinRAR software so that, when I zip the folder, I can tell it to ...
0
votes
2answers
42 views

Run zip on command-line

I have a bash file with this line zip -q0X "../$1.epub" mimetype But when I run this file on prompt, this error appear: publish: line 4: zip: command not found What can I do to run zip command? ...