Question 1

What is the default file extension for a document created in MS Word 2007 and later versions?

Accepted Answer

.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.

Question 2

Which file extension is used specifically for an MS Excel macro-enabled workbook?

Accepted Answer

.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.

Question 3

In MS PowerPoint, which extension is used for a file that always opens directly in 'Slide Show' view?

Accepted Answer

.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.

Question 4

Which of the following is the file extension for an MS Access database file created in versions 2007 and later?

Accepted Answer

.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.

Question 5

What does the extension .dotx represent in the context of Microsoft Word?

Accepted Answer

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.

File Extensions — Set 1