How to edit PPT files in 'read-only mode'?

To add page numbers, you need to master several key operations: First, select the page number position and style through the "Insert" menu. If you start from a certain page, you need to insert the "section break" and cancel the "link to the previous section"; second, set the "Home page different" to hide the home page number, check this option in the "Design" tab and manually delete the home page number; third, modify the page number format such as Roman numerals or Arabic numerals, and select and set the starting page number in the "Page Number Format" after sectioning.

Open the "Switch" tab in PowerPoint to access all switching effects; 2. Select switching effects such as fade in, push, erase, etc. from the library and click Apply to the current slide; 3. You can choose to keep the effect only or click "All Apps" to unify all slides; 4. Adjust the direction through "Effect Options", set the speed of "Duration", and add sound effects to fine control; 5. Click "Preview" to view the actual effect; it is recommended to keep the switching effect concise and consistent, avoid distraction, and ensure that it enhances rather than weakens information communication, and ultimately achieve a smooth transition between slides.

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This is the concluding segment of the Excel Unique Values series, detailing how to retrieve distinct or unique values from a column using formulas, along with customization tips for various data types. You'll also discover how to swiftly generate a d

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