We want to lock the cells after checking the table data and prevent it from being further changed. What can we do?In today's tutorial, you will learn how to use the Validation function to restrict data change.Step one, select the E column, and then add a drop-down list named checked.Click Validation at Data, and you can also use the shortcut Alt+D+L.In the Setting tab, select List at Allow, and enter checked at Source. Finally, click OK.By doing so, we can select checked in the dro....

When we read the information of certain PDF documents, sometimes we need to mark some important paragraphs or add corresponding comments to some content. Today I would like to introduce how to add annotations to PDF documents quickly. Take this PDF document as an example. Click the Comment tab, and click the Note Mode button. At this time, a blank page appears on the right side of the document body. We select the text that needs to be annotated, click the Highlight drop-down menu, and ....

What can we do if we want to set the header and footer in odd and even pages respectively? Take this article as an example. Double-click the header of the home page, and click the Header and Footer Options in the Header/Footer tab, then you will see a pop-up dialog box. l Page different settings 1.Check Different first page in the Page different settings to set the header and footer of the first page separately. 2.Check Different odd and even pages to set the header and footer of odd....

When processing data in a table, the #NAME error might occur. There are four possible causes: first, the formula name was misspelled. Second, the double quotation marks were omitted for text values. Third, the colon was omitted in a range reference. Fourth, the formula refers to a name that has not been defined. First, the formula name was misspelled Take this table as an example. When we use the formula =SUN(C3:C12) to calculate the total sales of all products, the calculation result ....

When copying formulas to other cells, we might encounter three reference modes, namely relative reference, absolute reference, and mixed reference. We need to choose the proper reference method according to the specific calculation requirements and the formula. · 1. Relative ReferenceWhen copying formulas to other cells, the formula will change according to the position of the referenced cell.Take this table as an example. Enter =B2*C2 in cell D2, and then pull down the fill handle to ....

WPS Office Suite is a high-performance and reliable office suite designed to protect data and information for both PC and mobile office software users.Slide Master can be the perfect fit for improving work productivity to uniform the fonts, background, and company logos when creating new slides. Without using Slide Master, every click with New Slide means creating a new blank slide with non-uniform formats. With the Slide Master function, we only need to set the background and font of ....

A PivotTable has a flexible operation interface. We can change the layout of various types of reports only with mouse operation. It can help us better search for information and make decisions.Take this table as an example. This is the sales data of a certain company over a period of time. If we want to count the total sales of products sold by each branch, we can use the pivot table to count it quickly. This is the completed pivot table. 1. First, select any cell with data in this tab....