Read Data from Ms-Access

On top of Amit, you have a few more options if you want to go, please look into NuGet Gallery | NetOffice.Access 1.7.4.11

Try this

string connectionString = @"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=mdbFilePath\yourDb.mdb";
string sqlQuery = "SELECT * FROM yourTable";
using (OleDbConnection connection = new OleDbConnection(connectionString))
{
    OleDbCommand command = new OleDbCommand(sqlQuery, connection);
    try
    { 
        connection.Open();
        OleDbDataAdapter oleDbDataAdapter = new OleDbDataAdapter(command);
        oleDbDataAdapter.Fill(dataTable);
    }
    catch (Exception ex)
    {
        MessageBox.Show(ex.Message);
    }
}
dataGridView1.DataSource = dataTable;

For export to excel check below link

https://www.c-sharpcorner.com/blogs/export-datagridview-data-to-excel-in-c-sharp