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This article was co-written by Yaffet Meshesha. Yaffet Meshesha is a computer expert and founder of Techy, a full-service company: home pick-up, repair, and return. With over eight years of experience, Yaffet specializes in computer repair and technical support. Techy has appeared in TechCrunch and Time magazines.
This article has been viewed 6,175 times.
This wikiHow teaches you how to open DAT files on your Windows or Mac computer. You can proceed by opening the DAT file in the program that was used to create the file. If you don’t know which program was used, you need to determine this first before you can open the DAT file. Note: some DAT files (such as those used to store codecs for languages) cannot be opened with a regular program; These files are used by your computer’s operating system and should therefore not be edited.
Steps
Open a known DAT file on Windows
- If you do not know what program was used to create the DAT file, determine before proceeding to open the file.
- On Microsoft Office, you need to double-click This PC in the middle of the page after clicking Open to open the File Explorer window.
- For example, when opening a DAT file created by Excel on Excel, a message with possible file content will appear. Click Yes to continue opening the file.
- Right-click the DAT file and select Rename .
- Select the dat part of the filename.
- Replace dat with the file extension.
Open a known DAT file on Mac
- If you do not know what program was used to create the DAT file, determine before proceeding to open the file.
- Because Macs typically don’t treat DATs as readable files, you won’t be able to open them using the File > Open menu in the selected program.
- For example, when opening a DAT file created by Excel on Excel, a message with possible file content will appear. Click Yes to continue opening the file.
- Select the DAT file.
- Click File and select Get Info in the drop-down menu.
- Click the triangle next to the “Name & Extension” category.
- Uncheck the “Hide extension” box if it has a check mark.
- Replace dat in the current name with the file extension you want.
- Press ⏎ Return and then click Use .extension when prompted (for example, with an XLSX document, you’ll need to click Use .xlsx here).
Find the right program for the unknown file
- For example, if the DAT file is located in the “Adobe” folder, we can guess that the Adobe application will open the file.
- If the file is located in a folder containing other system data of the computer, it is best not to tweak it. It is possible that this DAT file is used by the computer’s system programs and features.
- This may not work if you ask on a crowded forum or file-sharing site, but you may get an answer from a colleague or friend via email.
- Windows — Open Notepad, then drag and drop the DAT file into the Notepad window.
- Mac — Open TextEdit from within your Mac’s “Applications” folder, then drag the DAT file and drop it into the TextEdit window.
- Even if there is no line about the specific program to use, you can see a line representing the format (such as video or text) from the contents of the DAT file.
- For example, VLC Media Player can open most video file formats, and you can also download and use Notepad++ on Windows to open nearly all text-based files.
- If the file opens in a recognizable format, you have identified the correct program.
- If the program displays the DAT file as a bunch of unintelligible characters or refuses to open the file, this is not the right program.
Advice
- DAT files that are located in system folders (such as some subfolder in the “Program Files” folder on a PC or inside the “~Library” folder on a Mac) are often automatically used by the program. created them, so you don’t have to (and shouldn’t) open these files.
- BBEdit is a Mac-compatible alternative to Notepad++ that you can use to open everything from text documents to PHP files. This program is quite useful in determining the origin of DAT files.
Warning
- If the program that created the DAT file is not compatible with your computer, you need to open the DAT file on another computer.
This article was co-written by Yaffet Meshesha. Yaffet Meshesha is a computer expert and founder of Techy, a full-service company: home pick-up, repair, and return. With over eight years of experience, Yaffet specializes in computer repair and technical support. Techy has appeared in TechCrunch and Time magazines.
This article has been viewed 6,175 times.
This wikiHow teaches you how to open DAT files on your Windows or Mac computer. You can proceed by opening the DAT file in the program that was used to create the file. If you don’t know which program was used, you need to determine this first before you can open the DAT file. Note: some DAT files (such as those used to store codecs for languages) cannot be opened with a regular program; These files are used by your computer’s operating system and should therefore not be edited.
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