Extract 3 columns from multiple xls files into a new xls file

[Virendar]

Hi,
I am new to the forum and heard a lot about it. I am sure, I will get answer to my query, which I am struggling to solve. Here it goes
I have 1000's of xls files where I am trying to fetch the information of 3 columns and corresponding rows into a new xls file. How to do it without using VBA.
Example
File 1
<style>table { }tr { }col { }br { }td { padding-top: 1px; padding-right: 1px; padding-left: 1px; color: black; font-size: 12pt; font-weight: 400; font-style: normal; text-decoration: none; font-family: Calibri,sans-serif; vertical-align: bottom; border: medium none; white-space: nowrap; }.xl63 { }</style>

<colgroup><col style="width:65pt" span="3" width="87"> </colgroup><tbody>
</tbody>

TIME	290 CPU %	Memory %
20/02/18 20:00	12.77	62.53
20/02/18 21:00	11.97	62.54
20/02/18 22:00	12.26	62.48
20/02/18 23:00	8.63	62.49
21/02/18 0:00	3.46	62.47
21/02/18 1:00	2.98	62.5
21/02/18 2:00	2.52	62.49
21/02/18 3:00	5.93	62.95

<colgroup><col><col><col></colgroup><tbody>
</tbody>

File 2

TIME	291 CPU %	Memory %
01/01/18 0:00	2.05	24.47
01/01/18 1:00	2.8	24.5
01/01/18 2:00	2.87	24.5
01/01/18 3:00	2.38	24.53
01/01/18 4:00	2.45	24.55
01/01/18 5:00	3.79	25.48
01/01/18 6:00	3.21	25.37
01/01/18 7:00	2.48	24.61
01/01/18 8:00	2.47	24.63
01/01/18 9:00	2.52	24.65

<colgroup><col><col><col></colgroup><tbody>
</tbody>

and so on..

Output needs to be in a single xls file
Pls guide as to how to do it.

<tbody>
</tbody>

<tbody>
</tbody>

<tbody>
</tbody>

<tbody></tbody>