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.DOC file extension

To open .DOC files on Windows, right-click the .DOC file and choose 'Open with'.

.DOC files are document files commonly opened with Microsoft Word or similar applications. Use a compatible app to open them instead of renaming the extension.

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Last updated: June 11, 2026 · Reviewed by Julian Stricker

What “reviewed” means on this page
  • Format fit: whether the “what is this file?” description matches common real-world use of the extension, including category, typical MIME types, and aliases.
  • Opening paths: whether Windows / macOS / Linux steps read plausibly for current OS dialogs and default apps; we remove fantasy menus and unsafe shortcuts.
  • Security framing: whether risk notes match the extension class (for example executables vs plain data) and whether affiliate wording does not contradict the security section.
  • Sources and further reading: whether external links point to vendors, standards bodies, or other primary references where possible; we avoid inventing details we cannot ground.
  • Limits: this is clarity and safety-messaging QA, not a guarantee that every statement is exhaustive or that every binary you download is harmless.

Full methodology in the Imprint — The Imprint also states where AI is used and what that does—and does not—replace.

Open on your device

Choose your operating system for a dedicated step-by-step opening guide.

How to open .DOC files

Use these platform-specific instructions to open .DOC files safely.

Windows

  1. Right-click the .DOC file and choose 'Open with'.
  2. Select Microsoft Word or another compatible app.
Full Windows guide

Mac

  1. Control-click the .DOC file and choose 'Open With'.
  2. Select Microsoft Word or another compatible Mac application.
Full Mac guide

Linux

  1. Right-click the .DOC file and choose 'Open With'.
  2. Select LibreOffice Writer or another compatible Linux application.
Full Linux guide

iOS

  1. Open the .DOC file in the Files app and tap 'Share'.
  2. Choose to open with a compatible app like Microsoft Word for iOS.
Full iOS guide

Android

  1. Tap the .DOC file in your file manager.
  2. Select an app like Microsoft Word or Google Docs to open the file.
Full Android guide

Security notes

  • Only open .DOC files from trusted sources to avoid malware.
  • Use antivirus software to scan .DOC files before opening.
  • Be cautious of macros in .DOC files, as they can contain harmful scripts.

Macros, scripts, and embedded content

PDF, Office, and some rich e-book containers may include macros, JavaScript actions, or external links. Phishing campaigns abuse that. Keep your viewer suite patched, avoid enabling macros on unexpected documents, and treat “urgent” invoices or parcel notices as untrusted until verified.

Avast

Avast offers free and premium antivirus software that protects against viruses, malware, ransomware, and phishing. Scan files before opening them to ensure safety.

Norton

Norton 360 delivers comprehensive antivirus protection, VPN, and identity theft monitoring. Scan files for threats before opening to keep your device secure.

We may earn a commission when you use affiliate links. This supports our free file extension guides.

Can't open this file?

These are the most common causes and fixes when .DOC files fail to open.

Common reasons

  • .DOC file does not open
  • Formatting issues when opening .DOC files

Fix steps

  1. Install or update Microsoft Word or a compatible app.
  2. Check the file source and ensure it is fully downloaded.
  3. Try opening the file in an alternative application.

OS-specific troubleshooting

Convert .DOC to other formats

Use conversion tools to change .DOC files into formats your software supports.

What is a .DOC file?

.DOC is a file format used primarily by Microsoft Word for creating text documents. It supports text formatting, images, tables, and other document elements, making it versatile for various document types.

Background

.DOC files originated from Microsoft Word, part of the Microsoft Office suite, and have been a standard for word processing documents since the 1980s. They are widely used in professional, academic, and personal contexts for creating reports, letters, and other text-based documents. While newer versions of Word use the .DOCX format, .DOC remains compatible with many applications due to its long-standing presence in the digital world. Despite its age, the .DOC format is still supported by many word processing applications across different operating systems, ensuring accessibility and ease of use.

Common MIME types: application/msword

Further reading

Authoritative resources for more details on the .DOC format.

Common .DOC issues

.DOC file does not open

The file may not open if the necessary application is missing or the file is corrupted.

  1. Install or update Microsoft Word or a compatible app.
  2. Check the file source and ensure it is fully downloaded.
  3. Try opening the file in an alternative application.

Formatting issues when opening .DOC files

The document may display incorrectly if opened in an application that does not fully support .DOC formatting.

  1. Use Microsoft Word to ensure full compatibility.
  2. Convert the file to .DOCX using Word for better compatibility.
  3. Check for updates in your word processing software.

FAQ

Can I convert a file by renaming it to .DOC?

No, renaming a file does not convert its format. Use a conversion tool or export function.

Is .DOC safe to open?

Yes, if it comes from a trusted source and is opened with reputable software.

Can I edit .DOC files on mobile devices?

Yes, using apps like Microsoft Word for iOS or Android, or Google Docs.

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