Find out how to open any file type
Open The File helps you open, understand, and troubleshoot file extensions on Windows and Mac. Get step-by-step instructions, fix “cannot open file” errors, and find safe conversion options — with no confusing jargon.
Popular file types
Discover how to open 852 file types indexed from real-world usage.
- .pdfPortable Document FormatDocuments
- .jpgJPEG ImageImages
- .docxMicrosoft Word Open XML DocumentDocuments
- .pngPortable Network GraphicsImages
- .mp4MPEG-4 Part 14 VideoVideo
- .xmlXML DocumentData
- .zipZIP ArchiveArchives
- .xlsxMicrosoft Excel Open XML SpreadsheetDocuments
- .mp3MPEG Audio Layer IIIAudio
- .jsonJSON dataData
- .dbSQLite 3 DatabaseData
- .envDotenv environment variables fileConfiguration
How to open files on Windows
Step-by-step guides for opening common extensions:
- How to open .pdf files on Windows
- How to open .jpg files on Windows
- How to open .docx files on Windows
- How to open .png files on Windows
- How to open .mp4 files on Windows
- How to open .xml files on Windows
- How to open .zip files on Windows
- How to open .xlsx files on Windows
- How to open .mp3 files on Windows
- How to open .json files on Windows
How to open files on Mac
Step-by-step guides for opening common extensions: