# MakeData

## Description

Convert to data. This command converts the current unexplored bytes to data. If it is not possible, IDA will warn you.

Multiple using of this command will change the data type:

```
 db -> dw -> dd -> float -> dq -> double -> dt -> packreal -> octa \;
 ^                                                                 |;
 \---------<----------------<--------------<-----------------------/;
```

You may remove some items from this list using the Setup data types... command (action [`SetupData`](/ida-actions/setupdata.md)).

If the target assembler (Options → General... → Analysis) does not support double words or another data type, it will be skipped. To create a structure variable, use the Struct var... command (action [`DeclareStructVar`](/ida-actions/declarestructvar.md)). To create an array, use the Array... command (action [`MakeArray`](/ida-actions/makearray.md)). To convert back, use the Undefine command (action [`MakeUnknown`](/ida-actions/makeunknown.md)).


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