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Questions tagged [file-format]

A file format is a particular way that information is encoded for storage in a computer file.

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File Format - How to open this extension

I received several images with the .irt file extension that I am unable to open. I am not familiar with this file format. How can I open them?
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1answer
40 views

Why can't I send a large file to a FAT32 formatted USB Drive? [duplicate]

Why can't my USB drive accept a large file, as in bigger than 3.50 gb, when it is formatted in FAT32? My drive is a (16 gb) drive, but when I tried to send an ISO file to it while it was formatted in ...
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34 views

Why do tabs in YAML work some but not at all times?

We've used tab-characters in some of YAML-files here: host: "foo" port: 8011 p: "bar" For some reason, the same version of Ansible running the same playbook works just fine with these files ...
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2answers
36 views

How can I create a .prn file from a TIFF?

I have an industrial printer that requires .prn files to print. I'd like to automate generation of these files using software I write. We start with TIFF files, and then we use special software from ...
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2answers
445 views

Is ISO 32000-2:2017 (pdf-2.0) non-free and non-open format? [closed]

about open According to wikipedia PDF is an open format. But the link to the PDF-2.0 spec requires 198CHF to download it. Now according to free_file_format (first ref in the wikipedia/open_format ...
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1answer
40 views

Why binary files like this snippet of a PNG has all this whitespace in it

Here is a snippet of the first part of a PNG file viewed just by opening it up in Sublime Text and viewing the hex code directly. 8950 4e47 0d0a 1a0a 0000 000d 4948 4452 0000 02e7 0000 0155 0806 0000 ...
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1answer
59 views

How to compress a bunch of files efficiently?

Let's say you have a lot of files to archive. They are in several different file formats (txt, docx, pdf, png, jpg, mp3, zip, etc.). What are the best practices to compress them all, so that they ...
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73 views

How do I open a *.app file in linux terminal?

I am trying to run the xeoma app provided as xeoma.app in Linux via terminal so I can run some switches but Linux keeps telling me xeoma.app: command not found. The general term "app" is flooding my ...
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2answers
593 views

How to tell if an internet video is flash or html5 (or something else if there is such thing)?

I have some problems with Opera and Chromium browsers playing some streams and I want to debug that. But I cannot tell what works and what does not because I cannot tell what format a given stream is ...
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54 views

How do I convert from .mp4 to .part? [duplicate]

I have a partially downloaded video file (the download was paused). It is a large file and a significant portion has already been downloaded. I accidentally renamed it to .mp4 and its format got ...
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2answers
7k views

Which file format starts with “45 52 02” bytes?

I've got .cdr file format (not CorelDRAW file), however I've trouble opening/burning it. I expect it to be the disk image. Here are the first few lines: $ hexdump -C *.cdr | head 00000000 45 52 02 ...
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2answers
8k views

What does Matroska have which WebM doesn't, that made the differentiation necessary?

I've read that WebM is essentially a subset of the Matroska format. What does Matroska support that WebM doesn't, which necessitated "christening" a new format rather than just saying "WebM = Matroska ...
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1answer
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How to save JPEGs for MAC OSX?

I am pretty sure that's a simple question, but I am not acquainted with MAC and its files formats at all, so: How to make a copy of exported JPEGs from Photoshop for MAC users or is there relevant ...
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1answer
1k views

LibreOffice: How to save in Git friendly format?

LibreOffice saves into files that are zip files. Zip files are generally suboptimal to use with Git: A small change in the document can change most of the zip-file, thus making it impossible for Git ...
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1answer
494 views

What Format is this File (starting with “!R! SEM 9;EXIT;”) and how to display it onscreen

I have the following file found on a customer system and i need to figure out what format it is and (if possible) how to open it in Windows (Win7 or upwards would be perfectly fine). It sould be ...
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1answer
2k views

Is it ok to rename webm (audio-only) files to .opus?

For .webm files obtained with youtube-dl-f bestaudio containing no video stream, is it preferable to run ffmpeg -i input.webm -vn -c:a copy output.opus or can one simply rename the source file, ...
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2answers
491 views

Binary encoding formats

echo random text > text_file Saves text_file in text format with ASCII encoding. To check the encoding, I do chardetect text_file which tells me that the file is ASCII encoded. Now I have a jpg ...
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2answers
253 views

What font format is this?

An E Ink display I bought supports displaying text using a built-in command. According to the documentation, it also allows me to load a different "font library" for Chinese characters: Font ...
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1answer
234 views

How can I read very old iChat transcripts?

Sometime in 2005, Apple's iChat switched to writing its logs as binary plists. But before that, it was another format that I don't know how to read. > file some-early-2005-log.chat some-early-2005-...
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33 views

Lightweight fileformat for black and white pictures [closed]

I don't know if this is the right forum to ask, but I have a question about fileformats for images. I'm going to write a program that generates big pictures with black dots on a white background. I ...
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1answer
80 views

Opening Office 2013 files in Office 2010

I have Office 2010 and I need to look at an Excel 2013 file.  How do I do this?  Excel 2010 tells me it is a corrupt file and cannot open it.  Is there a technique that will allow me to view newer ...
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1answer
394 views

How does Audible's .aa file format work?

When I download an audiobook from Audible, I get a bookname.aa file. When I open it with iTunes, iTunes shows me an authentication prompt where I need to enter my audible credentials. I presume the ...
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2answers
72 views

What is the file-format of an email message that is stored in on Apache server?

I have made a backup of my Windows LiveMail messages directly from the server (Apache / Linux). The files have strange long names and I can open them in a text editor although the result is not very ...
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1answer
524 views

GIMP 2.8.16 unable to open ORA files

I'm trying to edit/combine paintings I did in Krita with GIMP. Because GIMP can't open .kra files I saved them as .ora files. However, GIMP is unable to open any .ora files, including ones I made ...
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How do I fix this file that has become partially hex?

I had a Java file that was part of a project; it went missing after running fsck. I later found it in /lost+found but now it seems to be part-hex and part-text: How can I restore this to normal text? ...
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1answer
4k views

Inspect serialized file content

I have a file which oblivios contains serialized structures. The first 26 bytes contain the string "java.util.HashMap" so I am sure that this file holds serialized data. My question is now is there ...
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2answers
451 views

Is there a spreadsheet version of .rtf?

For a text document, there's multiple format options: .doc, .docx, .odt, .rtf, etc. I use .rtf for all text documents, because its compatible with nearly everything. My question is, is there a ...
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1answer
204 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 ...
2
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1answer
3k views

Convert powerpoint to markdown

Can I convert powerpoint to markdown? My ultimate goal is to create an easily versionable version of the powerpoint. (Maybe reveal.js or something)
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0answers
155 views

Mail OS X png attachment changes to jpg

Created illustrator image with transparent background, saved (exported?) as.png. When I attached the png file to an email - MacMail OS X 10.10.4 - it converted to a jpeg. As a test I sent it to myself,...
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2answers
543 views

Can PDF Annotations Be Exported and Then Imported Back?

I have a few hundred pages of highly annotated PDF file, which is mostly text, in the form of underlines, highlights, and (more) text annotations. After two years, a updated version of that document ...
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1answer
190 views

Sngrep Unknown File Format Error

I am attempting to use the sngrep utility on a Mac OSX El Capitan 10.11.4 and getting an error when I try to open any pcap file. The error is as follows: Johns-MacBook-Pro:Downloads gojira$ sngrep -...
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1answer
67 views

open a text file such as xml or markdown as plain text without interpreting the formatinstruction in MS-Word

Is there a key combination or 'open as...' plain text menu option that can be used? Subsidiary double question: will it also work with anz file (with random byte contatint) AND what are the ...
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0answers
352 views

File-based loop device with writing support and dynamic size

Usually loop device (v-node disk) is based on a file with pre-allocated size (e.g. an image of a floppy drive or ISO disk). The device is then treated as a block device and can be formatted with any ...
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2answers
1k views

Saving Skype voicemail messages on a Mac

I would like to save two voicemail messages that I received today through Skype. I would like to do this quickly and get the source file if possible, or at least get the source file to open in an ...
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2answers
183 views

Do lossless audio files keep original quality when played (or only when converted back)?

I see a "lossless format" like FLAC defined often as one in which there is no loss of quality compared to the source file from which it was converted. But does that mean that the original quality is (...
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1answer
33 views

Change overlapping of nodes in IHMC's CmapTools

I am creating diagrams using CmapTools (not strictly concept maps), and in one of these diagrams I would like to put overlapping nodes, like in the image below. Some of them are over the green node, ...
3
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1answer
741 views

Is there a way to automate the conversion of old Access databases (.MDB files) to the newer .ACCDB format?

I have a couple hundred old Access databases, in the old .MDB file format. I'm not sure which version of Access they were created in. My ultimate goal is to make them usable to someone who has Access ...
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0answers
1k views

Opening a SITX file on Windows 10

This question bears some similarity to .sitx File --- 7zip can't open it, what can? - however, that was answered six years ago and I don't know if the response is still accurate in 2016. SITX is ...
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1answer
1k views

Recycle Bin storage location [duplicate]

I am interested to know, in which location and format are files stored when we put them in Recycle Bin? And when we delete them, where they go?
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0answers
154 views

What file format starts with 0xFEEDBABE?

On my router, /mnt/jffs2/rg_conf1 and rg_conf2 begin with the following bytes: FE ED BA BE 00 00 ## ## 00 ## ## ## 00 ## ## ## 00 00 00 00 72 67 5F 63 6F 6E 66 where ## is a non-ascii non-zero byte, ...
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2answers
149 views

What is main extension of this .dat file

I have some .dat files, for which an application on windows reads and shows some text (it's a library). I want use that text. In the application folder are some .dat files. some of them are .bm files (...
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2answers
136 views

Generate pdf from markdown with appropriate formatting

How to export README.md file from bitbucket.org to .pdf file with the same formatting as they use on the bitbucket.org website? I tried a few convertors of .md to .pdf but output was horrible ...
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0answers
277 views

Force LibreOffice to open a PDF in Draw?

I'm trying to edit this PDF with LibreOffice Draw. However, when I open it - I get LibreOffice Writer, with text consisting of the initial octets of the PDF file, i.e. %PDF-1.6 %���� 2 0 obj <</...
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1answer
1k views

Common video format for TV (old decoder) playback

I have a PHILIPS TV/Monitor. I want to watch movies from USB flash drive directly on the TV. The problem is - PHILIPS do not have any updates for the TV software. I requested an update, but request ...
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What database uses “H??X!$L<” (“ndcy”? ) as a Magic Header String?

I'm trying to determine what database Cydia uses for metadata on jailbroken iOS devices. There is no file program available to offer a possible answer. Here's the head of the cat: iPad:~/root# cat /...
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1answer
497 views

How do I open .SPF file format for Mac OS X 10.10.5 (Yosemite)?

Does anyone know how I can open an .SPF format file? I'm using Mac OS X Yosemite (10.10.5). I believe it is an image as the person who sent it, sent a scanned document. I tried Photoshop with no ...
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1answer
284 views

set fileformat=unix permanantly

When I built WSO2 product pack from terminal using maven clean install and going to run from terminal by issuing below command at product home directory ./bin/wso2server.sh I got below error -bash:...
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708 views

How to use / convert / see .AFM / .INF / .MCY / .PFY / .SCR / .TTY font files?

I just purchased a very old font book with three CDs inside of it. The names of the files are quite obscure to me (and I've been designing fonts since 2003), .AFM / .INF / .MCY / .PFY / .SCR / .TTY. ...
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1answer
77 views

What encoding parameters are used for the /Windows/Media sound files?

Specifically, what's the: Encoding (e.g. signed 16-bit PCM, 32-bit float, A-Law, 24-bit AWVW, VOX ADPCM, etc.) Byte order (e.g. little-endian or big-endian) Channel count (e.g. 1/mono, 2/stereo) ...