Please find attached the excel sheet you have requested

[Joj]

Please find attached the excel sheet you have requested concerning the process of clients projects executions.
I will let you know once the batteries are released from the port.

 

[Tarheel]

I think you can omit "have" in the first sentence.

Are you sure you're not talking about the progress of projects?

 

[Joj]

Please find attached the excel sheet you requested concerning the progress of clients projects executions.
I will let you know once the batteries are released from the port.
Are my sentences correct?

 

[Tdol]

I would use the progress of the client's/clients' projects.

 

[emsr2d2]

It's "Excel spreadsheet". Remember to capitalise proper nouns.