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The Daily Insight

Can Word documents contain viruses

Author

Ava Hall

Published Apr 04, 2026

Use caution when downloading documents and templates attached to emails. They might contain macros-related viruses, which are designed to infect files like Microsoft Word documents. Once you download and open the attachment, the infection will spread, embedding itself in other documents on your computer.

Can Word have a virus?

What is a macro virus? A macro virus is a computer virus written in the same macro language that is used for software applications, such as word processing programs. Microsoft Word and Excel are two examples of applications that feature powerful macro languages.

Are Word documents safe?

The latest versions of Microsoft Word serve up several options for securing your documents, including read-only mode, password protection, editing restrictions, and digital signatures. You can also mark a document as final so people know it hasn’t been changed since the last time you saved.

Can a document contain a virus?

PDFs can have viruses that come embedded with a code that makes documents signable and (somewhat) editable. The mechanics are very similar to virus-infected Microsoft Word files. While their malware hides inside macros scripts, an infected PDF file will contain malicious JavaScript code.

Can you get a virus from docx?

Microsoft Office files, especially Word documents (DOC, DOCX), Excel spreadsheets (XLS, XLSX, XLSM), presentations, and templates, are also popular with cybercriminals. These files can contain embedded macros — small programs that run inside the file. Cybercriminals use macros as scripts for downloading malware.

Are docx attachments safe?

Docx is a zip file of XML, and that can be unsafe. In short, it sucks. almost everything out there is dangerous. Keep yourself patched (many exploits are from bugs) get antivirus, don’t use IE, use Chrome or Mozilla.

How do I open a Word document safely?

Press and hold down “Ctrl,” then click on any Word document. This is an optional way of opening the document in Safe Mode, instead of selecting Microsoft Office from All Programs.

Is DOCX more secure?

DOCX format and created a special format, . DOCM, to offer the same functionality in a way that is more secure and up-front about what is inside the file. This makes . DOCX a more secure file format without the worry of macro-virus issues.

How can I clean my laptop from viruses?

  1. Step 1: Download and install a virus scanner. …
  2. Step 2: Disconnect from internet. …
  3. Step 3: Reboot your computer into safe mode. …
  4. Step 4: Delete any temporary files. …
  5. Step 5: Run a virus scan. …
  6. Step 6: Delete or quarantine the virus.
Can a Microsoft Word file contain something malicious?

Yes. Word documents can contain Macro viruses but, by default, macros are always disabled in documents.

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Can you get hacked by opening a PDF?

Yes, Adobe PDF documents can carry various types of viruses or malicious executable code. Malware is primarily hidden in multimedia content, hyperlinks, JavaScript code, and system commands. The malware attack executes when users open the file or interact with the embedded content after opening.

Can a Word document cause a cyber incident?

Microsoft Office files, especially Word documents (DOC, DOCX), Excel spreadsheets (XLS, XLSX, XLSM), presentations, and templates, are also popular with cybercriminals. These files can contain embedded macros — small programs that run inside the file. Cybercriminals use macros as scripts for downloading malware.

Are Word documents private?

Go to Review > Protect Document. Under Security, you can select whether to enter a password to open the document, modify the document, or both. Enter each password again to confirm. Click OK.

How do I remove protection from a Word document?

  1. Open the document and enter its password.
  2. Go to File > Info > Protect Document > Encrypt with Password.
  3. Clear the password in the Password box, and then click OK.

How do I protect part of a Word document?

  1. Open the document you want to lock within Microsoft Word. …
  2. Select the “Review” tab and go to the “Protect” group. …
  3. Go to “Editing restrictions” and tick “Allow only this type of editing in the document.” Choose “No changes” from the list of options.

Can opening an attachment cause a virus?

Can I get a virus by reading my email messages? Most viruses, Trojan horses, and worms are activated when you open an attachment or click a link contained in an email message. If your email client allows scripting, then it is possible to get a virus by simply opening a message.

Can XLSX files contain virus?

A . xlsx file may briefly contain a macro virus while that file is open in Excel. However, saved copies of that file are rendered “safe” because all VBA code (including the macro virus) will be removed automatically as part of the “save” operation.

What file type is the only one that is safe to open?

A file extension is the three letters that follow the period at the end of the file name. Microsoft has classified several types of dangerous extensions; however, only a few are considered safe. These are GIF, JPG or JPEG, TIF or TIFF, MPG or MPEG, MP3 and WAV.

What is Safe Mode in Microsoft Word?

What Is Office Safe Mode? When you start an Office application in Safe Mode, it will load without any add-ins or extensions, and without toolbar or command bar customizations. Any recovered documents that would normally be opened automatically will not open.

Can I edit a Word document without word?

You can even edit documents in Word Online—no purchase necessary. You just have to use your browser. Install LibreOffice, a free and open-source office suite. This is an alternative to Microsoft Office.

How do I know if my email has a virus?

If you have not installed a third-party tool and are using Windows, you can select “Scan with Microsoft Security Essentials.” Windows’ built-in virus scanner will check individual files that were attached to the email.

Can a JPG contain a virus?

JPEG files can contain a virus. However, for the virus to be activated the JPEG file needs to be ‘executed’, or run. Because a JPEG file is an image file the virus won’t be ‘released’ until the image is processed.

What attachments can contain malware?

  • EXE.
  • SCR.
  • PDF.
  • VBS.
  • RTF.
  • DOC.
  • XLS.

Can PDF attachments be harmful?

Yes, PDFs can be harmful. History has already shown us that the combination of an email and a malicious PDF attachment can be quite devastating, with losses reaching millions of dollars. That’s why it’s important for organizations to think about email protection. … PDF is widely used because it’s flexible.

What are the five signs of computer virus infection?

  • Frequent pop-up windows. …
  • Changes to your homepage. …
  • Mass emails being sent from your email account. …
  • Frequent crashes. …
  • Unusually slow computer performance. …
  • Unknown programs that start up when you turn on your computer. …
  • Unusual activities like password changes.

How can I detect a virus on my computer?

  1. Slow computer performance (taking a long time to start up or open programs)
  2. Problems shutting down or restarting.
  3. Missing files.
  4. Frequent system crashes and/or error messages.
  5. Unexpected pop-up windows.

Do I have a virus on my phone?

In the case of smartphones, to date we have not seen malware that replicate itself like a PC virus can, and specifically on Android this does not exist, so technically there are no Android viruses. However, there are many other types of Android malware.

Is DOCX safer than Doc?

In general terms, the . docx format is much safer than the . doc format. As a result, some systems, including t4 – the University website CMS, may prevent you from uploading .

Is it better to save in DOC or DOCX?

DOCX is definitely the better option compared to DOC. The newer format creates smaller, lighter, and easier to open, read, and transfer files. It is also easier to repair a damaged .

What is the difference between docx and doc?

Put simply, . Doc is the older version of a Microsoft Word Document. DocX is the newer version, form versions of Microsoft Word 2007 onwards. Now before you jump in thinking that the added X makes the document extreme or better in some way, that X on the end just stands for ‘Office Open XML’.

Can you get hacked by opening a Word document?

A nasty new exploit means that simply opening a compromised Word document can cause huge damage to your system. A recently discovered bug in Microsoft’s proprietary MSHTML browser engine gives hackers remote code execution in all versions of Windows.