Automatic input of data into documents

There are three documents: WORD document is the equipment rental agreement
Excel document is a payment invoice.
Excel document is an act of performed work.
To accelerate the composition of the free contracts, a form for filling is created, in which data can be entered: the name of the firm, the code of the EDRPOU, the addresses, the number of the account, the contacts, the number of the contract, the number of the contract.
After entering these data, the program automatically generates these three documents.
Automatic filling of documents