File Extensions — Set 1
Computers · फाइल एक्सटेंशन · Questions 1–10 of 60
What is the default file extension for a document created in MS Word 2007 and later versions?
Correct Answer: A. .docx
The .docx extension represents a Word Open XML document without macros. It was introduced in 2007 to replace the older binary .doc format. This XML-based format results in smaller file sizes and better data recovery.
Which file extension is used specifically for an MS Excel macro-enabled workbook?
Correct Answer: C. .xlsm
The .xlsm extension is used for Excel files that contain embedded macros written in VBA. For security reasons, the standard .xlsx format cannot execute macro code. Using this extension alerts the user that the file has automated scripts.
In MS PowerPoint, which extension is used for a file that always opens directly in 'Slide Show' view?
Correct Answer: D. .ppsx
The .ppsx extension is used for PowerPoint Open XML Shows. When double-clicked, it launches the presentation immediately instead of opening the editor. This format is ideal for sharing final presentations with an audience.
Which of the following is the file extension for an MS Access database file created in versions 2007 and later?
Correct Answer: A. .accdb
The .accdb extension replaced the older .mdb format starting with Access 2007. It supports newer features like multi-valued fields and integration with SharePoint. It remains the standard format for desktop database applications in the MS Office suite.
What does the extension .dotx represent in the context of Microsoft Word?
Correct Answer: C. Word Template
The .dotx extension is used for Microsoft Word templates that do not contain macros. Templates allow users to maintain consistent formatting across multiple documents. They serve as a pre-configured starting point for new files.
Which MS Excel extension is optimized for handling very large datasets by storing data in a non-XML format?
Correct Answer: D. .xlsb
The .xlsb extension stands for Excel Binary Workbook. It stores information in binary format instead of XML, which makes opening and saving large files much faster. This format is highly efficient for complex spreadsheets with massive amounts of data.
If a user saves a PowerPoint presentation as a template, what will be the resulting file extension?
Correct Answer: C. .potx
The .potx extension is assigned to PowerPoint templates without macros. These files store styles, masters, and layout settings to be reused for new presentations. It helps in maintaining a uniform visual identity for corporate or academic slides.
Which extension is used for MS Word documents that include automation scripts or macros?
Correct Answer: D. .docm
The .docm extension signifies a macro-enabled document in Microsoft Word. It is technically identical to .docx but allows the execution of VBA macros. This distinction helps antivirus software identify files that might contain active scripts.
Which of the following extensions belongs to Microsoft Publisher files?
Correct Answer: A. .pub
The .pub extension is the proprietary format for Microsoft Publisher, a desktop publishing application. It stores page layouts, vector graphics, and text for brochures or newsletters. Publisher focuses more on page design and layout than Word.
What is the standard file extension for Microsoft Outlook email message files saved to a local drive?
Correct Answer: C. .msg
The .msg extension is used by MS Outlook to save individual email messages, contacts, or tasks. It preserves the original formatting and metadata of the communication. For archiving an entire mailbox, the .pst format is typically used instead.