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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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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30 views

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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184 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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39 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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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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44 views

Download attachments from message in outlook which have only .xlsx format

Could you help me with this case? This code has error but I can't understand why. The error appears after adding (i mark it bold) rows with If...Then... statement. I want to download only .xlsx files ...
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1answer
56 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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How to open EFL file in Debian

My OS : Parrot OS I have a file which cannot be run normally.So I opened it with a text editor and found that the first three letters were EFL followed by many '#'s and alphabets and digtis(in mixed ...
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Mystery File .driveid

Good Morning! Doing some monthly maintence at a client site and came accross a few thislife.driveid files that I did not reconize. I have done searches on all the major file extension databases on ...
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1answer
40 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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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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192 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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Change file extension of file that don't have any in specific folders and subfolders without impacting files that already have extension

I extracted some .pst documents using readpst and I got as output loads of folders and subfolders in which,there are files without extension (the .msg one, but without the .msg at the end of the file) ...
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206 views

Excel for Mac gives “cannot open file… format or extension not valid” error for custom add-in when pulling from git

I am currently working on a custom Excel add-in which, until now, was only used on Windows. I am attempting to make it cross-platform. Unfortunately, when I pull my add in from git and attempt to load ...
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1answer
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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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Can you extract a zpk file?

I'm reversing a javascript app that uses emscripten - and it loads data from a file from what looks like an archive (ZPK extension). I haven't seen that extension before, I'm wondering is there any ...
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106 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
47 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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2answers
220 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
4k 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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22 views

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
151 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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47 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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156 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
194 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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37 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
65 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
49 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
2k 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
467 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
93 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
119 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
83 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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105 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
616 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
93 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
4k 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
181 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
409 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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107 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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702 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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1answer
213 views

How to change file extensions of existing files simultaneously

Is there a way to change the file extensions of existing files (inside a folder) simultaneously? I have a folder and within are different subfolders (nested). All the files are .txt, and I want to ...
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0answers
42 views

How to make a file research specifying the final letters of the file

I need to find a file in a large folder using Microsoft Windows 10. The file is a Matlab script, that has extension ".m". I tried to search using "*.m", but the problem is that in such case the ...
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74 views

Delete files with blank extension [duplicate]

I extract an archive that have files like: "hi." (there exist a '.' but no extension). Now I cannot open and delete dat files and every folder that contain that files (gives the error that the file/...
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1answer
49 views

Windows 7: automatic file extensions

I have two accounts A and B on the same windows 7 machine. I log into account A and open a program (this happens in multiple programs, not only 1 specific program). I click on "save as" and choose "01....

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