Questions tagged [file-extension]

A file extension is an optional alphanumeric identifier which comes after the last found period in a file name. A file extension itself does not define what type of data is in a file, but it does give a hint as to what is *supposed* to be in the file.

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33 views

Audio Conversion through change of file extension (E-AC3)

Not sure if this i the right place to ask my question but I'll give it a go. I extracted an E-AC3 Audio track with MKVExtractGUI. The output file I get was .eac3. Another tool I used says it supports ...
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Detecting the type of a media file [duplicate]

How do I detect the file extension of a media file missing its file extension? I accidentally removed it. Self-Answer. The question has been asked already here and here, but the questions have been ...
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Right Click + New XLSX Workbook Results In “Excel cannot open the file because the file format or extension is not valid.”

Lately I have been having an issue that seems to have happened quite out of the blue where if I go into a folder from File Explorer to create a new .xlsx workbook using a right-click I will create a ...
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How to create a Windows context menuitem for all file extensions EXCEPT two?

I want to create a Windows context menuitem that gets displayed for all files that do not have the file extension .zip or .7z. I'm quite comfortable manually editing the Windows registry, if needed. ...
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36 views

How do you create your own filename extension that works on Windows 10?

I created a .pdf file that I called dhwd7486.pdf, because I want to create something great (this is included), I renamed the file extension into .unused (cuz I use it occasionally), but I thought it ...
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What are longest extension names functioning in actual programs? [duplicate]

I'm writing piece of code detecting file extensions and I was getting quite a lot of garbage like . Jones - Some Document Title just because file name was starting with Dr. Jones. So I decided to put ...
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1answer
183 views

How can I open .dictionary files on OSX?

I'd like to have a look at the files that the Dictionary App that comes with macOS uses. I was able to locate the files, they're of the .dictionary format. How can I open them, if at all?
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2answers
287 views

How to change .vhd file association to open with Windows Explorer?

I'm having an issue with .vhd files not opening with Windows Explorer liek the way .vhdx does. Before it was just unrecognized, now I've accedentally change it to Adobe Acrobat. I've tried changing it ...
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1answer
65 views

In Windows, what are the purposes of file extensions?

As far as I know, in Linux filename extensions don't have any special meaning to the operating system. It helps users to identify the file, of course, but the OS itself simply does not care about it (...
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Opening a .zbd file?

I have a .zbd file with sensitive information on it. I have downloaded the ZoomBrowser from Canon, it does not recognize it as a file. I downloaded the Zebedee Secure Tunnel, but that just creates a ...
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1answer
50 views

Double extension file

i don't know from where I got this file in my computer's temp folder C:\USERS\xxxxxxxxxx\APPDATA\LOCAL\TEMP\TMPE8FE.TMP.BAT is it some kind of malware? if yes, then how should i resolve this.
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Identifying old files types

I have three files with these extensions ".mrf, .md5, .ptr" that were created in 2009, 2007 and apprx. 2012 respectively. I know that file types could be different than the extension. For example, ...
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1answer
750 views

Anaconda can't launch python script with shebang line in Windows

I have an anaconda installation in windows that I think used to be able to run python scripts with shebang lines like: #!/usr/bin/env python print("hello python") at a prompt without typing "python" ...
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1answer
45 views

batch review files, ascertain the correct file extension and set the correct file extension type for each file

Ive got a folder with video files which are a few different file extensions. eg : .m4v, .avi, .mp4, .mkv I deleted all the extensions off the file names using a batch renaming tool, but when ive done ...
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2answers
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Search files by extension in windows

I want to search only svg files in a folder containing svg and svgz files. I typed "*svg" in the search bar but I get all the files begining with the svg extension including svgz. How do I exclude ...
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1answer
146 views

Make .cpp file to open as default on Windows 10

I am creating the header files for Arduino, so I created 2 files with .h and .cpp. the .cpp files open by default with notepad. I want it to look like .h files given in the image. How to change ...
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1answer
47 views

How to change extension by batch on Windows 10

How to change extension by batch on Windows 10. For example I have thousands of *.JPG but I would like to have .jpg. Is there any software for that?
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0answers
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What does the 'n' stand for in the UEFI/EFI shell script file extension?

(U)EFI shells support the execution of scripts much like a typical *nix shell does. These scripts have the extension .nsh. Out of purely esoteric curiosity: what does the 'n' stand for? I feel it's ...
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1answer
389 views

Windows 10 Command Prompt - List all files and folders inside a directory without displaying file extensions

I've been using dir /b to display all files and folders in a directory but it includes the file extension for every file in a directory. What is the command for displaying all files without including ...
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1answer
8k views

Default program not listed in windows10 settings [duplicate]

TL;DR: read only bold text + check pictures. I was trying to change .txt files default program to visual studio code, the problem is, that when I open settings in windows 10 and try to change it ...
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1answer
118 views

Need help to recover files from .besub file extension

I trying to learn python coding and i found a file extension (.besub) has change the python files as in figure attached and can not open.Please help to recover it.
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VS Code Syntax Highlighting for (Linux) files without a file extension

Is there an option or extension that enables VS code to support syntax highlighting for files without an extension like /etc/fstab?
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1answer
58 views

Weird image file association in windows 10 after update

I'm on windows 10 and I have Paint associated to some image file extension, e.g. *.png. Since a recent update (either 1809, build 17763.475 or slightly earlier) when I double click a png file, it is ...
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821 views

How to remove extension from pathname passed as {} in `find -exec`?

Given the situation that audio needs to be extracted from video files residing in subdirectories, how would one go about properly naming the resulting files? The following one-liner works, but ...
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2answers
37k views

How do I open a file with the file extension “FILE?”

From time to time someone sends a file that comes in the extension of .FILE. How do I change this or open this? I think they might be using Microsoft Word or something like at the office. I don't ...
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Open a file type with a program AS another file type (Windows 10)

For a project I'm working on I need to keep Photoshop files (.psd) in the same directory as another program (Unity3D) imports from. In order to get Unity not to see the Photoshop files I can change ...
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1answer
352 views

Rewrite the first three characters of *.ext file names in a folder with a set of letters

How to rewrite the first 3 letters of file name Using set alphabet: ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789 to randomise characters Targeting all files of a particular extension in a folder *.ext ...
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48 views

Files encrypted with af21 file extension

I have a set of files which got encrypted during the recent ransomware attack. All of the files have a common extension .af21 . I am able to play the video files using VLC, although they have the same ...
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178 views

How to launch a separate Excel application each time I open an “*.xlsm” file

As stated in this StackOverflow question, I would like to open a new Excel application every time I open an *.xlsm file. I know this can be done launching Excel /x from the start button, but I'd like ...
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1answer
201 views

My files are showing .blower file extension

My files are showing .blower file extension. I have tried to remove malware and viruses but this problem is still there. Installed Microsoft Security Essentials and also ran Microsoft Malicious ...
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39 views

How to open a file with .ghi extension?

Does anybody know how to open or convert to an more common format this type of file? Google says that this may be an configuration file but the person who provided this file says this is a record ...
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0answers
95 views

How to chmod by file extension to remove execute permission on some file types?

I have searched but couldn't find a proper way to do that. I find annoying that each time I click on a text or code file I have a prompt where I can execute the file (maybe it's me that messed up ...
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2answers
51 views

How to know, if a file is still compatible, even if you change the extensions manually?

I do have few file formats like .tgpp or .flv or .webm. If I change the file format of a file manually, let say for example from exampleFile.tgpp to exampleFile.mp4V or exampleFile.mp4 it still work. ...
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1answer
3k views

Can't change Windows 10 default file type association [duplicate]

After installing Sublime Text on Windows 10, I can not change the default application for files with the .txt extension anymore. Right-clicking on Context Menu > Open With… > Choose Default ...
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1answer
981 views

Disable “keep using this file” suggestion screen in Windows 10

From time to time Windows 10 "thinks" that I changed my mind and that there is a possibility that I would like to change default program that opens certain files in my computer: This drives me nuts. ...
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1answer
133 views

Find directories /w files with 2 different extensions

So I am trying to think how I can possibly even do this. I can find the files with this for example, but really what I want is the directories specifically that contain both file types. Any ideas? ...
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2answers
196 views

DOS moving specific .xml file extension [duplicate]

I want to move my .xml files from a directory (let's call it "from") to another (we'll call it "to") but using wildcards moves unwanted files like .xml_. How can I move them while being specific about ...
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1answer
2k views

Batch File FOR Loop 7-zip extract specific file extension

I am trying to create a batch file to recursively extract multiple archives in multiple sub-directories from a source directory to an output directory while keeping archive folder structure. The below ...
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1answer
104 views

where do thunderbird / Xcfe get their MIME type handler settings?

In my thunderbird setup (version 60.0 on 64-bit Debian Stretch) PDF attachments are opened in libreoffice showing generally useless gibberish. That is when I double-click. When I right-click, there is ...
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1answer
229 views

Can Files Be Compressed Without Changing Extension?

It's common for web servers to pre-compress their files with brotli or gzip. And they do so without changing the extensions of the files. Is their a way to do this in a typical desktop environment (ex....
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1answer
1k views

Rename files 000…001…002… to 001…002…003

I wanted to download a 50gb file, from an internet archive. It was downloading up to 300kb/s and it was going to take days. So I wrote a script to download the files in chunks, and upload to Google ...
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2answers
127 views

Can I implement IF EXIST with a given file extension?

I'm in the process of making a batch script to autoexecute a program if a given file type (in this case specifically *.iso) is found. Here is the current direction I'm headed: IF EXIST *.iso GOTO :...
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File possibly 'corrupted' after copying using rsync command in Ubuntu

I used rsync to copy a 19.2GB .pst file (Outlook files extension) from an old hard drive to a new one using rsync -avzPSX Outlook\ Files.pst /media/new_drive. I read that the -z option compresses the ...
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4answers
6k views

How to easily find files with no extension using Windows

I have some files on my Hard Disk Drive that have no extensions whatsoever. It is very hard to find them manually, I really don't like the fact that I would need to replace my mouse sooner because of ...
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3answers
2k views

Is it safe to delete files with extensions containing non-alphanumeric characters?

I was working with Eagle 4.16r2 (Yes I know its old), and when I work on my project in it, I happen to save my work frequently as files with extensions .brd and .sch. I just did a backup and now I ...
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1answer
1k views

What is this .LWT extention

I found a old verbatim usb with nothing on it, however after using recuva on it I was able to pull off a variety of old files, going through the list I found a strange file called _HOTOS.LWT . The ...
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1answer
219 views

Meaning when linux filename autocomplete ends with 'invisible' “\ ”?

Have a file that when viewed in the graphical file explorer or lsed in a terminal looks like "LLCP2015.ASC", but whenever the terminal autocompletes (via tab) a command like less LLCP2015.ASC it ...
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1answer
495 views

How To Open a File with t2s extension

I have been searching to find out more about a file with a t2s file extension, but have not found a lot of information about it. Our electric utility, Eversource, sent someone in town (town employee) ...
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125 views

What's the `.idx`, `.nr`, `.tit` and `.ini` files?

I downloaded a software, and in its store data directory observed some files with extensions .idx,.nr,.tit and .ini. I don't know what those files are for. Can I extract any data from them ?
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1k views

Dynamically sort files into different folders based on file extension as they are created

I'm working with an apparel CAD system (Lectra Modaris) that automatically generates 3 files when I save. There is an .MDL file, an .HTML file and and .XCH file. I want the HTML files to ...

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