
- Excel Functions - Home
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- SEARCH Function
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- Cube Functions
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- BETA.DIST Function
- BETA.INV Function
- BINOM.DIST Function
- BINOM.DIST.RANGE Function
- BINOM.INV Function
- CHISQ.DIST Function
- CHISQ.DIST.RT Function
- CHISQ.INV Function
- CHISQ.INV.RT Function
- CHISQ.TEST Function
- CONFIDENCE.NORM Function
- CONFIDENCE.T Function
- CORREL Function
- COUNT Function
- COUNTA Function
- COUNTBLANK Function
- COUNTIF Function
- COUNTIFS Function
- COVARIANCE.P Function
- COVARIANCE.S Function
- DEVSQ Function
- EXPON.DIST Function
- F.DIST Function
- F.DIST.RT Function
- F.INV Function
- F.INV.RT Function
- F.TEST Function
- FISHER Function
- FISHERINV Function
- FORECAST Function
- FORECAST.ETS Function
- FORECAST.ETS.CONFINT Function
- FORECAST.ETS.SEASONALITY Function
- FORECAST.ETS.STAT Function
- FORECAST.LINEAR Function
- FREQUENCY Function
- GAMMA Function
- GAMMA.DIST Function
- GAMMA.INV Function
- GAMMALN Function
- GAMMALN.PRECISE Function
- GAUSS Function
- GEOMEAN
- GROWTH
- HARMEAN
- HYPGEOM.DIST
- INTERCEPT Function
- KURT Function
- LARGE Function
- LINEST Function
- LOGEST Function
- LOGNORM.DIST Function
- LOGNORM.INV Function
- MAX Function
- MAXA Function
- MAXIFS Function
- MEDIAN Function
- MIN Function
- MINA Function
- MINIFS Function
- MODE.MULT Function
- MODE.SNGL Function
- NEGBINOM.DIST Function
- NORM.DIST Function
- NORM.INV Function
- NORM.S.DIST Function
- NORM.S.INV Function
- PEARSON Function
- PERCENTILE.EXC
- PERCENTILE.INC
- PERCENTRANK.EXC
- PERCENTRANK.INC
- PERMUT
- PERMUTATIONA
- PHI
- POISSON.DIST
- PROB
- QUARTILE.EXC
- QUARTILE.INC
- RANK.AVG
- RANK.EQ
- RSQ
- SKEW
- SKEW.P
- SLOPE
- SMALL
- STANDARDIZE
- STDEV.P
- STDEV.S
- STDEVA
- STDEVPA
- STEYX
- T.DIST
- T.DIST.2T
- T.DIST.RT
- T.INV
- T.INV.2T
- T.TEST
- TREND
- TRIMMEAN Function
- VAR.P Function
- VAR.S Function
- VARA Function
- VARPA Function
- WEIBULL.DIST Function
- Z.TEST Function
- Web Functions
- Web Functions
- ENCODEURL Function
- FILTERXML Function
- WEBSERVICE Function
Excel - MIDB Function
MIDB Function
The Excel MIDB function retrieves a certain number of characters from the given string, and you need to specify the starting index and the number of bytes for extraction. MIDB Function allows you to work with the DBCS set gradually, which is used in foreign languages like Japanese, Chinese, etc. When you change the preferred language to DBCS-assisted languages in Excel, the MIDB function will calculate an independent double-byte character as 2. Otherwise, it will calculate each character as a unit number 1.
Compatibility
The MIDB function is compatible with the following versions of MS-Excel −
- Excel for Microsoft 365
- Excel for Microsoft 365 for Mac
- Excel for the web
- Excel 2024
- Excel 2024 for Mac
- Excel 2021
- Excel 2021 for Mac
- Excel 2019
- Excel 2016
Syntax
The syntax of MIDB function is as follows −
=MIDB(text, start_num, num_bytes)
Arguments
You can use the following arguments with the MIDB function −
Argument | Description | Required / Optional |
---|---|---|
Text | It specifies the text string | Required |
start_num | The starting point in the text string from where the character will be fetched. | Required |
num_bytes | It specifies the number of bytes that you want to fetch. | Required |
Points to Remember
- If the start_num comprises a negative value, the MIDB function will retrieve the #VALUE! error.
- If the num_bytes argument contains a negative value, then the MIDB function will retrieve the #VALUE! error.
- Ensure that the preferred language should be DBCS-supported languages like Korean, Chinese (Simplified), and Japanese.
- For the English language, the MIDB function will behave like the MID function.
Examples of MIDB Functions
Practice the following example to learn the use of the MIDB function in Excel.
Example 1
Apply the MIDB function in a mixed set of languages.
Solution
Step 1 − First, consider the sample dataset, which is comprised of two columns titled Full Name and MIDB function. A column contains a list of Employees with their complete names. The employee's middle name is written in Korean in this column. You can use the Translate option to convert the middle name into English.
Step 2 − After that, enter the formula =MIDB(B3,9,3) in the C3 cell and press the Enter tab.


Step 3 − Moreover, select the C3 cell, drag the + sign(fill handle), and drop it to the C7 cell to fill the remaining cell values.

Example 2
If the start_num comprises a negative value, the MIDB function will retrieve the #VALUE! error.
Solution
Double-click on the E4 cell, write the formula =MIDB(B3,-2,4) in the E4 cell, and press Enter tab. Here, the second argument is -2 which is invalid.

Therefore, the MIDB function will return the #VALUE! error. You can alter the second argument value and set its positive number.

Example 3
If the num_bytes argument contains a negative value, then the MIDB function will retrieve the #VALUE! error.
Solution
Select the E2 cell and enter the formula =MIDB(B3,3,-4). Here, the third argument, num_bytes, contains a negative value of -4, which is not permissible.

Once you press the Enter button, the MIDB function will return the #VALUE! error.

Download Practice Sheet
You can download and use the sample data sheet to practice the MIDB function.