File Types
There are hundreds of file types floating around on our computers. Let's figure out which ones do what and which programs will open them.
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Ways to Access Your Files From Anywhere
What Is an MOV File?
![PDF files in black and white](https://www.lifewire.com/thmb/dv98zvCMz6amioRkrqlhrcabwvA=/540x405/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-1129391613-5eec76980e7b437481d88a6e88f691a6-85b80703bd984be7bc3febafdcc20214.jpg)
How to Combine Multiple JPEGs Into One PDF
![Saving a WebP image file from the Chrome browser.](https://www.lifewire.com/thmb/ESIEHCfDt7i-AP4WZcOKQzlQf3Y=/540x405/filters:no_upscale():max_bytes(150000):strip_icc()/SavingWebPFile-0358eea6023f4a299464ce9af4eadb70.jpg)
What Is a WEBP File?
![Convert MP4 to MP3 - Convertio on MacBook](https://www.lifewire.com/thmb/qmC2x2CMq8OEU9PZu2A7ZayWQyY=/540x405/filters:no_upscale():max_bytes(150000):strip_icc()/Convert-MP4-MP3-Convertio-5105126-914e9f3b0a464adfa9bbe854f392efd5.jpg)
How to Convert MP4 to MP3
![Saving a WebP image file from the Chrome browser.](https://www.lifewire.com/thmb/9o18R9gk2sv8WicXiLKW-pWmoGA=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/SavingWebPFile-0358eea6023f4a299464ce9af4eadb70.jpg)
What Is a WEBP File?
![Convert MP4 to MP3 - Convertio on MacBook](https://www.lifewire.com/thmb/0Ap5SVjdvb1QiNpnpJGvSCLoUiQ=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/Convert-MP4-MP3-Convertio-5105126-914e9f3b0a464adfa9bbe854f392efd5.jpg)
How to Convert MP4 to MP3
![AV1 logo](https://www.lifewire.com/thmb/RIIKerKpVQaCT5XMXTep-0t3jVE=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/av1-logo-915dd5b8e176459e87e7bfd18125558c.png)
What Is an AVIF File?
![A man saving a Pages document as a PDF in Pages on a MacBook Pro.](https://www.lifewire.com/thmb/82CarSiaQZC3MZJU4fSop1IHPPQ=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/146689ManworkingonMacBookPro1-da589b41d31b4e8b81650b6cd2b582f1.jpg)
How to Make a PDF File
![An illustration of typefaces](https://www.lifewire.com/thmb/VbxAD8DJ58JF7li0phpxYImpSKk=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/001_what-is-woff-web-open-font-format-4800761-abcb53e65fb2471ea71ec48f02a06357.jpg)
What is WOFF?
![Person editing SVG files on a laptop](https://www.lifewire.com/thmb/Oe0kWLJjzXi6tZHvVPoZ_FuX1KM=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/svg-file-4120603-FINAL-5a8d7301a39149bda409488e41a51e08.png)
SVG Files: What They Are and How to Open & Convert Them
![Person looking at an Android smartphone with an APK file on the screen](https://www.lifewire.com/thmb/s0ekVYmAxFkbfkmvQf-MDL-6no4=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/apk-file-4152929-12b74d6fa5d7407a8067c1f528493d4d.png)
What Is an APK File?
![GIF Files](https://www.lifewire.com/thmb/VnnsFtHkesamTMDNPZ98d1sebr4=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/gif-file-icons-583c50e63df78c6f6a2cbf7b.png)
What Is a GIF?
![XVID files in Windows 10](https://www.lifewire.com/thmb/e-utG5J9s4uXSMRyobh2-LYpLiU=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/xvid-files-58e3ad515f9b58ef7eb727e1.png)
What Is an XVID File?
![A green zip file](https://www.lifewire.com/thmb/Cu-nhN4h9GrVaEzQbcP0wo5OqD8=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-183357484-5c8aa9a4c9e77c0001ff0a2d.jpg)
What Are 'Zip' and 'WinZip'?
![JPG Files](https://www.lifewire.com/thmb/fX3X_7_izTsQXxtf4aUNbDWjLW8=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/jpg-files-591e000b5f9b58f4c0912446.png)
What Is a JPG (JPEG) File?
![Screenshot of several PNG files in Windows 10](https://www.lifewire.com/thmb/eAu7jK0xnnpSwsOs_txMZaDXiTQ=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/png-file-icons-5825f9905f9b58d5b1223513.png)
What Is a PNG File?
![Row of red work files, with one yellow one](https://www.lifewire.com/thmb/fs6up6XBq5ryY9QyQV-Ecy-iU9o=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/row-of-red-work-files-with-one-yellow-one-110953663-57ab2a733df78cf45974949c.jpg)
What Is a Computer File?
![EPUB files in Windows 10](https://www.lifewire.com/thmb/0OIXOK6rG4bInGX5-EpMo45v98A=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/epub-files-585949005f9b586e0226265a.png)
What Is an EPUB File?
What Is a CSV File?
What Is a MOBI File?
![Screenshot of several FLAC files in Windows 10](https://www.lifewire.com/thmb/aG1WsUSX5MZzfhUJvYtgvQnTwMk=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/flac-files-5947e0c33df78c537b39b339.png)
What Is a FLAC File?
What Is a RAR File?
What Is an EPS File?
What Is an FLV File?
What Is a DEB File?
![INDD files in a folder in Windows 10](https://www.lifewire.com/thmb/l5A_-Rjq2JJ4uVe58WyBjGy1Qjw=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/indd-files-591600725f9b586470b96d7a.png)
What Is an INDD File?
What Is an IPSW File?
![Person sitting on a desk under three XML file icons holding an XML folder near a computer](https://www.lifewire.com/thmb/tv2QD-LkFZcwGkyLa7GLNruNapA=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/what-is-an-xml-file-2622560-6c5d9bfe9b3b4e0db6c78b3c5b3e176b.png)
What Is an XML File?
![PSD files in Windows 10](https://www.lifewire.com/thmb/xljc7lIpnHdSjHA3lau6mZg_gUI=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/psd-files-75236cc2586e40e6a6151dacbec48116.png)
What Is a PSD File?
![ARW files in Windows 10 that open with Photos](https://www.lifewire.com/thmb/UcTClOWsg05-PtxqHH33QLpBs1A=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/arw-files-windows-10-247336ab85744e79ae7a2fd5eec03c2d.png)
What Is an ARW File?
![7Z files in Windows 10](https://www.lifewire.com/thmb/tFmOhKxU0DvobxohZKTRoFtI1Tg=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/7z-file-icons-58248f245f9b58d5b159259f.png)
What Is a 7Z File?
What Is a WMA File?
![several EXE files in Windows 11](https://www.lifewire.com/thmb/Su-6YQ6IC-G1s8RrdOHLeUMsFeA=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/exe-files-5300af8eda20455599bde966de179d80.png)
What Is an EXE File?
![Image of a person reading an ePub ebook](https://www.lifewire.com/thmb/fcCrUSGy_TlLLvGLKfo302OzyRI=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/GettyImages-880446958-5c1941ec46e0fb0001f92975.jpg)
How to Convert PDF to ePub
![Screenshot of several SWF files in Windows 10](https://www.lifewire.com/thmb/YlUOnF76WaEd7ERYlfyH0eLVBlM=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/swf-files-5912f3ff5f9b586470e075f4.png)
What Is an SWF File?
![Screenshot of several MKV files in Windows 10](https://www.lifewire.com/thmb/KxtJFZnESY8QTpG-p4G00dNTWWs=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/mkv-files-58da69af3df78c51625b11fc.png)
What Is an MKV File?
![DXF Files](https://www.lifewire.com/thmb/n8cDOhRAChZ-EBxQEkgMrBkcVh0=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/dxf-files-59144d7f5f9b58647090734d.png)
What Is a DXF File?
![Screenshot of several TIF files in Windows 10](https://www.lifewire.com/thmb/VBkjScw8VAeUQ_jIWNX0h5Gfmu4=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/tif-files-58a7281a3df78c345b9b5104.png)
What Are TIF and TIFF Files?
What Is an ISO File?
![SRT Files](https://www.lifewire.com/thmb/kj1pSPIpNcrS8h7YFGehjGmtHrA=/400x300/filters:no_upscale():max_bytes(150000):strip_icc()/srt-files-58dbca8f3df78c516212093f.png)
What Is an SRT File?