Questions tagged [archiving]

Archiving can refer to the process of archiving files or the process of archiving data. File archiving is combining one or multiple files into one file or container. Data archiving is the process of relocating data that is no longer actively used to a separate storage area for long-term retention.

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What's the most robust data medium for long-term cold (shelf, archival) storage? [duplicate]

I've been looking, for some time, for a class of storage medium that's particularly well-suited to archival storage (also known as 'cold' or 'shelf' storage; ie literally leaving it unconnected from ...
5 votes
6 answers
6k views

What other archive formats save Date Created and Date Accessed?

Compressing Files When zipping files with Windows' built-in zip utility, it will not save the Date Created in the archive: Also, I just found a bug where Windows will not save the Date Modified of ...
2 votes
1 answer
6k views

Extract hash values (CRC) and path names from an archive

I have successfully extracted data from a large .rar archive (1.9TB) using 7-zip and now I want to delete the archive. However, before I do so, I would like to save path names and, most importantly, ...
2 votes
2 answers
3k views

Find out which version of which specific program created a (partial) ZIP archive

Is it possible to determine which specific version of which specific program created a given ZIP archive, based on its metadata? And also, is the outcome of a ZIP / RAR compression affected by the ...
12 votes
3 answers
5k views

Indexed and seekable tar files

When backing up large amounts of files, I've been taring them so that I only need to move one file around. But listing the content of tar files and extracting specific files out of them is really slow....
0 votes
1 answer
2k views

How to stress test a new portable hard drive before using it as a backup

I guess the title says it all. I'm getting a 2TB WD My Passport which I intend to use as a backup, but I've heard some stories of people copying all their materials to a new drive only to have it stop ...
17 votes
4 answers
82k views

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

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 downloads path for Extract to:. I would like to to change to %AppData%\...
0 votes
0 answers
970 views

How can we unlock a 7z archive (w/ password) without extracting it?

The question in the title. I am aware; 7z x blah.7z -p'mysecretpassword' exists, but I wish to only unlock the archive - allowing my Python script to access it. Not extract it. The reason I can't ...
0 votes
1 answer
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I want to archive the emails I have in the inbox before reading it. What is the solution for this?

I have an email that I opened with Outlook, I opened it with thunderbird and even opened it with BlueMail. For me, using each one of them is not different. It is important to me that I can archive the ...
0 votes
0 answers
996 views

How to make compressed rar or zip files of certain size in Linux command line?

On my Ubuntu machine, I'd like to create compressed archive files of 10mb size for Windows users. So that a 25MB myfile becomes something like: myfile1.rar myfile2.rar myfile1.rar I could not find ...
0 votes
1 answer
1k views

how to extract one or more archives recursively with one/multiple parts (rar or 7z) and deleting the archives after extraction?

I would be really, extremly happy if someone could help me with this problem. I want to be able to extract one or more files with only one or more parts and then deleting the archive(s). It doesn't ...
0 votes
2 answers
346 views

Is it possible to extract a single folder from a corrupted zip archive

I have a 22gb zip file which was located In a flash drive, I moved this archive to desktop but I am unable to extract it, it says the archive is corrupted. I used WinRAR to repair it but it didn't ...
13 votes
5 answers
26k views

Best Secure Encryption for Zip Files via Linux

I want to use highly secure encryption for zipped files via Linux/Ubuntu using a command line terminal, what is the best command line tool to get this job done? zip -e -P PASSWORD file1 file2 file3 ...
2 votes
0 answers
108 views

Compress a folder with internal complex folders tree and UTF-8 mixed languages files and formats for archive

I have a cloud folder on my hard-drive which I want to archive, in-order to do so I would like to compress it using best of choice compressor for that task : Complex sub-tree of internal folders with ...
0 votes
2 answers
951 views

Resilience of WinRar format for storage

I have a folder with plenty of files (~10k small files), in total ~50MB in size. It's some "old stuff" I actually dont need anymore but still wanna keep. As I'm syncing a parent folder of this folder ...
0 votes
1 answer
650 views

Outlook archives for mobile and home

I have moved my Outlook archive files to a file server because my new laptop with an SSD doesn't have enough storage to store them locally. The problem is that when I am away from home base the laptop ...
10 votes
3 answers
13k views

How do I replicate Gmail's archive behavior in Microsoft Outlook 2013?

I have some emails in Outlook which I want to remove from my Inbox without deleting. In Gmail, there's a single dedicated button for archiving messages: In Outlook, Microsoft's official instructions ...
1 vote
0 answers
9k views

7-Zip Warning: "There are some data after the end of the payload data"

I just got this error message while trying to extract a rar archive that is split in several parts using 7-Zip: 1 C:\Users\Admin\Downloads\FileName.part1.rar Warnings: There are some data ...
1 vote
2 answers
2k views

7zip - Add item in a right click menu for timestamped archive

Is it possible to add an item in 7zip right click menu. Every once in a while, I would like to make a backup of the file/folder and would like to add today's time stamp. For example, sample_project ...
53 votes
3 answers
38k views

How secure are password-protected zip files?

In modern zip utilities like 7zip, you can specify a password when creating a .ZIP file. But, how secure is this? What encryption algorithm(s) are used to secure password-protected zip files?
21 votes
8 answers
76k views

How do I search the content of 7-Zip archives (.7z)?

I am looking for a way to search the content of files inside of a 7-Zip archive (.7z) without having to unpack the archive. I have many 7-Zip archives with code inside them and I'd like to search them....
0 votes
1 answer
458 views

Explaining performance irregularities when unpacking .tar.gz archives

This question is about the performance of unpacking, not "how to" unpack. I notices this just a few days ago, when I started extracting several .tar.gz (will refer to them as archives now) ...
0 votes
0 answers
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Office 365 online email: Benefit to archiving?

My organization has made O365 available. Working from home, we access it through a browser. I can no longer limit my email/calendar volume by hiving old things into a *.pst file for a given year, e....
0 votes
0 answers
1k views

Error when tar a compressed file

I try to install krona tools, so I downloaded its archive first as follows: curl -LOk https://github.com/marbl/Krona/releases/download/v2.7/KronaTools-2.8.tar then #untar tar -xvf KronaTools-2.8.tar ...
1 vote
0 answers
62 views

Bypass `-C` flag when unzipping tar archive

I have a .tar.gz archive with the following structure: opt/client/py/utils/mappings/templates/config.json opt/ opt/mag/ opt/mag/sw/ opt/mag/sw/apps/ opt/mag/sw/apps/service/ opt/mag/etc/ opt/mag/etc/...
0 votes
0 answers
174 views

Windows defender won't finish scanning archives

I recently run into an issue where Windows Defender wouldn't finish a full scan (it would scan files infinitely, reporting unrealistic number of files scanned). Now I think it's due to my RAR archives ...
1 vote
0 answers
813 views

How can I best use the compression options of 7z?

I have about 900 GB of uncompressed SQL dumps which have a very large amount of common data. I've been using 7z with the -mx=9 option because I care much more about the size of the archive than how ...
24 votes
8 answers
101k views

How to edit a file in a zip or rar archive?

I have a large archive with files that I need to edit, but I don't want to extract / zip every time. Is there a way to edit the files directly while in the archive? I opened them and when I save it ...
2 votes
1 answer
7k views

Why do some (but not all) zip-Files greater than ~3.7GB fail to extract

I am dealing with a lot of zip-files (DCP Films for a Film-Festival) between 4GB and 40GB that are sent to me by various individuals that use various programs to compress the folder that they are ...
6 votes
4 answers
5k views

How can I recover data from a website after shutdown?

Background: Twitch had a karaoke service called Twitch Sings which shutdown last December. It was developed by Harmonix, the same studio who created Guitar Hero and Rock Band, which is why information ...
2 votes
1 answer
2k views

Can winrar "Delete files after archiving" files restore from hard disk?

winrar has an "delete files after archiving" option. we know even permanently deleted files can be restored when the laptop stolen or sold to anyone malicious. that's why we know we should ...
3 votes
4 answers
3k views

Is there an archive tool (that runs on Windows) that I can set the "execute attribute" in an archive file or zip file?

I have a small set of files I develop on Windows but need to extract and run on Linux. One of those files is a script, StartApp.sh. I'm packaging the files as a zip archive, passing it to my admin, ...
0 votes
1 answer
752 views

Splitting zip files are incompatible as a zip on Mac?

I have a very large .zip that is 174GB large and 800GB decompressed. I am trying to work with this using the R programming language, however, it is far too large for me to work with. I have found that ...
74 votes
6 answers
194k views

How do I password protect a .tgz file with tar in Unix?

I'm using the Unix tar command as follows to tar up a directory and its files: tar cvzf fileToTar.tgz directoryToTar Is there a way to password protect the .tgz file? I've created password-...
16 votes
5 answers
12k views

In place extract tar archive

I have a little dilemma here... I needed to move about 70 GB worth of files from one of my servers to the other, so I decided that tarring them up and sending the archive would be the fastest way. ...
4 votes
4 answers
12k views

Batch repacking zip archives into 7z

I have many zip archive files that I would like to re-pack into 7z archive format, as that would save me a lot of space. How do I batch-repack those files on a Windows 7 computer? I tried doing this ...
2 votes
1 answer
581 views

Unable to create a *.gz archieve

Trying to create a .gz archive - my_gz.gz - and add multiple files to it: $ gzip my_gz.gz file1.txt file12.txt gzip: can't stat: my_gz.gz: No such file or directory
2 votes
1 answer
3k views

How to stop Thunderbird from checking for new email (is it possible to archive an account?)

Background I have an old email account that doesn't exist anymore. Its messages are saved in Thunderbird. I want to keep that account in Thunderbird. However, because it doesn't exist anymore, I don't ...
1 vote
0 answers
831 views

Dictionary Size and Compression Method

I have knowledge about archiving, since I already try it so many times in a basic way just right click and add to archive then press ok, but it is my first time to modify it using the settings. I want ...
17 votes
2 answers
10k views

Lifespan of an SSD (NAND Flash) for minimal write use archive purposes: Write once, toss in (proverbial or literal) storage closet

Okay, so I saw this other question which was closed as being too localized and I understand the idea of that closure: Systems, environments and usage are all different. But my question is about using ...
0 votes
0 answers
85 views

Archive a directory to stdout with encrypting file names from Windows command line

I have a 1 TB directory that needs to be uploaded as a single encrypted file. There is no free space on a disk. I already have an app to upload a file from stdin but I don't know how to create the ...
1 vote
1 answer
321 views

Extract files from Windows floppy writer exe

I have some files that are PE32 executable (GUI) Intel 80386, for MS Windows, according to file, and only want me to "insert a floppy" when run. Is there some way to extract the files from ...
1 vote
2 answers
11k views

How do I create seperate 7z files from each selected directory with 7zip command line?

FOR %i IN (*.*) DO 7z.exe a "%~ni.7z" "%i" Does the job for each selected file. However I've got tons of directories (with files inside them obviously) I need to pack. Say I have d:\dir1, d:\dir2, ...
2 votes
1 answer
10k views

RAR/ZIP multiple files separately in separate folders

I have 300 Microsoft Word files sitting in 300 folders. I want to password protect these files with a single password in one go. My understanding is that the easiest way to accomplish this would be ...
9 votes
7 answers
7k views

How to split a zip file across INDEPENDENT volumes

I have about 12 GB of image tiles made up of about 2 million files. I'd like to zip these up to make transferring them to a server simpler. I just plan on storing the files in the zip files for ...
2 votes
1 answer
2k views

Decrypting tar archives with gpg -d, the -d flag does not work

My OS is Ubuntu 20.04.2 lts. I am creating a tar archive from the dir noup1, that contains files and subfolders, with tar cf no1.tar noup1 Encrypt it with gpg -c no1.tar. So now I have a no1.tar.gpg ...
7 votes
3 answers
13k views

How can I create ZIP64 file and test it?

I need a zip file (ZIP64) for a test case, I put a bigfile of 5GB full of zeros and zipped it, but I don't know if is ZIP64. Should the ZIP file exceed 4Gb to be ZIP64? A 4Gb file for a test case ...
5 votes
2 answers
6k views

7zip has problems extracting POSIX tar archives due to @PaxHeader files

POSIX tar archives contain POSIX headers as "dummy" files named @PaxHeader. 7zip dutifully extracts them, and they all collide, since they are all named the same. 7z then complains about the file ...
1 vote
4 answers
611 views

Is it better to compress all data or compressed directories?

I'm archiving some projects, let's say each of them has own directory: projects |- project-1 |- project-2 |- project-3 I started compressing them as following: ==== SITUATION 1 ==== projects |-...
0 votes
2 answers
3k views

Uncompress .tar.gz format getting error "tar: Unrecognized archive format"

I've downloaded a ".tr.gz" file with a size of 10 GB from here (after downloading completed, I renamed it and deleted .partb to become dataset cleaned.tar.gz) while I'm trying to uncompress ...

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