Generate random formations, but without repeating the letters in the columns and in the ro

Will you please attach a sample Excel workbook? We are not able to work with or manipulate a picture of one.

1. Make sure that your sample data are REPRESENTATIVE of your real data. The use of unrepresentative data is very frustrating and can lead to long delays in reaching a solution.

2. Make sure that your desired solution is also shown (mock up the results manually).

3. Make sure that all confidential data is removed or replaced with dummy data first (e.g. names, addresses, E-mails, etc.).

4. Try to avoid using merged cells as they cause lots of problems.

Unfortunately the attachment icon doesn't work at the moment, so to attach an Excel file you have to do the following: just before posting, scroll down to Go Advanced and then scroll down to Manage Attachments. Now follow the instructions at the top of that screen.

Please pay particular attention to point 2 (above): without an idea of your intended outcomes, it is often very difficult to offer appropriate advice.

No - you attach your file here.

Unfortunately the attachment icon doesn't work at the moment, so to attach an Excel file you have to do the following: just before posting, scroll down to Go Advanced and then scroll down to Manage Attachments. Now follow the instructions at the top of that screen.

Yes, it does work, but not via the paperclip icon, as explained (twice) above. Many members will not access file-sharing sites, so to be sure of getting it looked at, you need to attach it here.

UDF?

	A	B	C	D	E	F
1	3	5	4	2	1	A1:E5: {=RandLatin()}
2	2	1	3	5	4
3	1	3	5	4	2
4	4	2	1	3	5
5	5	4	2	1	3
6
7
8	B	A	D	C	E	A8:E12: {=CHAR(RandLatin() + 64)}
9	C	D	E	A	B
10	E	C	A	B	D
11	D	B	C	E	A
12	A	E	B	D	C

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Hello shg now you have to generate the formations about 2000 thousand

Say what ?

Generate it as 25x25 and use any 5x5 portion (partial results shown):

	A	B	C	D	E	F	G	H	I	J	K	L	M	N	O	P	Q	R	S	T	U	V	W	X	Y	Z
1	07	10	24	05	13	12	18	01	20	21	04	22	19	15	03	14	02	06	08	17	11	09	25	23	16	A1:Y25: {=RandLatin()}
2	25	23	22	12	05	01	02	08	18	24	19	16	07	20	04	21	10	17	15	09	03	13	06	14	11
3	16	08	02	25	07	06	12	17	05	18	24	10	22	13	21	20	01	03	09	04	14	19	11	15	23
4	03	20	23	17	06	09	08	13	01	10	16	14	11	12	22	02	15	19	05	07	24	25	04	18	21
5	17	21	11	08	01	15	23	20	10	16	25	03	06	02	07	22	14	13	18	05	19	12	09	24	04
6	15	19	17	14	23	21	03	24	11	06	01	09	08	16	12	25	04	18	22	02	05	10	20	07	13
7	09	24	03	15	08	20	14	18	23	11	06	04	17	10	25	16	21	05	02	12	07	01	13	22	19
8	01	03	25	10	02	23	16	14	22	07	05	06	12	24	13	19	11	15	21	20	09	18	08	04	17
9	19	02	21	13	09	05	20	12	15	14	03	24	04	08	11	23	18	25	01	06	16	17	07	10	22
10	04	18	14	09	17	13	15	05	08	23	11	21	03	01	16	10	20	07	12	25	22	06	19	02	24
11	11	15	10	06	25	17	01	09	12	02	22	23	16	05	24	18	08	04	13	19	21	07	03	20	14
12	22	01	18	07	19	25	05	06	13	20	21	02	24	09	14	15	12	11	17	03	23	04	16	08	10
13	06	14	16	01	12	08	10	15	02	22	07	11	25	18	19	24	23	09	20	13	04	05	17	21	03

I don't follow any of that.

jorel, I don't know what that means.

Then enter the formula exactly as described in post #15:

A1:Y25: {=RandLatin()}

You're welcome.