In excel whenever i type a number ex: 888 in comes up as 8.88

Nice to meet you, *****!
What troubleshooting have you done so far?

Have you tried formatting the cell as text?

I see. So it is only with three digits, correct?

Okay, I see. But if you subtract or add digits, everything's normal?

Got it.

What version of Excel do you use?

Thank you for clarifying!
Could you please tell me when and how did the problem occur?

No worries, I will do my best to help you.
Select the cells you want to format. On the Home tab, select Increase Decimal or Decrease Decimal to show more or fewer digits after the decimal point.
Each selection or click adds or removes a decimal place. Your new decimal places setting is now in effect.

Thank you for clarifying!
Have you tried restoring Excel to the default settings?

Thank you.

Did not help?

Would you be willing to try again, please?

1. Step 1
   Click the "Help" menu in the upper right-hand corner.
2. Step 2
   Select "Detect and Repair" from the scroll-down menu. Make sure the "Restore my shortcuts while repairing" is selected.
3. Step 3
   Click "Start." This process will restore Microsoft Excel to its original settings Please, try this.

Let me know when you are done.

What do you see there?

Can you send me a screenshot?

Sure, take your time.

Is it comes up when you tried to take a screenshot?

Do you receive that notification in Excel?

Ok, got you.
Try to go to File – Options – Advanced – Editing Options – Uncheck "Use System Separators".
Also, format the cell as "Numbers".

Take your time.

I’m glad I was able to get that sorted out for you. Is there anything else I can assist you with today?