Macro for downloading once per day - avoiding data being overwritten?

Zhevr

New Member
Joined
Apr 19, 2021
Messages
1
Office Version
  1. 365
Platform
  1. Windows
Hi,
I'm creating an excel sheet which is downloading air quality data once per day and calculating the average from the last 24 hours.
I'm a newbie with macros and am currently setting it up as a download when the document is opened and a macro to clean out all the unnecessary input imported and calculating the average. I want that average to be transferred to a separate sheet with the date of the current day. Since the macro will run once a day it won't be a loop. I want the result to be a table with dates and averages from all the days the macro was run.

How do I make sure the data from the day before isn't overwritten when setting up the macro?
 

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offthelip

Well-known Member
Joined
Dec 23, 2017
Messages
2,037
Office Version
  1. 2010
Platform
  1. Windows
Assuming you are writing the data to a new sheet ( I assumed sheet2) starting in column A, you can detect which is the last row with data in it using these lines of code:
VBA Code:
With Worksheets("sheet2")
LastRow = .Cells(Rows.Count, "A").End(xlUp).Row
End with
Having found the last row you just write your new data into the next row, save and repeat the next day
 

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