excel trick 2

Sometimes, an area can be converted into a table, such as:

Select all the area in the above picture, and then click "Insert--Table" to convert this area into a table

Then you can name it, for example:

Name it as Table 1, then for example, there is a place where VLOOKUP is used,

If the table is not used, then if the data increases, the area of ​​​​VLOOKU must be increased. Now there is no need to increase it. The formula is replaced by Table 1. Even if the original table changes, the formula does not need to be changed.