Grouping sales reports into a file

Employer
[no-member:pro]Elena[/no-member:pro]
Project parameters
Type of cooperationPeriodic employment
SectionTexts and translation
Prepaymentwithout prepayment
Payment methodsBank transfer
Acceptance of requestsfrom Dec 15, 2019 until Dec 30, 2019
Project description
We need a specialist in Excel. It is necessary to group sales reports into a single file once a month. (approximately 30-35 Excel files), within 10 to 30 positions.