FC0-U71 Applications and Software Practice Question
Which of the following file extensions indicates a document created with Microsoft Word?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
.docx
Microsoft Word documents traditionally use the .docx extension (since Office 2007) or .doc for older versions. .docx is the modern standard.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
.xlsx
Why it's wrong here
.xlsx is for Excel spreadsheets.
- ✗
.pptx
Why it's wrong here
.pptx is for PowerPoint presentations.
- ✗
.pdf
Why it's wrong here
.pdf is a Portable Document Format, not specific to Word.
- ✓
.docx
Why this is correct
Correct. .docx is the default Word document format.
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Same concept, more angles
2 more ways this is tested on FC0-U71
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. Which of the following is an example of application software?
easy- A.Windows 10
- B.BIOS
- C.Linux kernel
- ✓ D.Microsoft Word
Why D: Microsoft Word is an end-user application for word processing.
Variation 2. A user saves a document as 'report.docx'. Based on the file extension, what type of file is it?
medium- A.PDF file
- B.Presentation
- C.Spreadsheet
- ✓ D.Word processing document
Why D: The .docx extension is associated with Microsoft Word documents.
JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This FC0-U71 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the FC0-U71 exam.