an easy way to do this is to logon to you bi machine. bring up the command prompt.
at the command prompt use the CD (change directory) to you
blue iris folder and do a dir command like this:
C:\Users\me>d:
D:\>dir blue*
Volume in drive D is Blue-Iris
Volume Serial Number is 8878-5941
Directory of D:\
05/02/2022 03:14 PM <DIR> BlueIris
0 File(s) 0 bytes
1 Dir(s) 3,815,705,673,728 bytes free
D:\>cd blueiris
D:\BlueIris>dir
Volume in drive D is Blue-Iris
Volume Serial Number is 8878-5941
Directory of D:\BlueIris
05/02/2022 03:14 PM <DIR> .
05/02/2022 03:14 PM <DIR> ..
07/07/2022 09:38 AM <DIR> Alerts
07/07/2022 09:31 AM <DIR> New
06/20/2022 09:25 AM <DIR> Stored
0 File(s) 0 bytes
5 Dir(s) 3,815,693,090,816 bytes free
D:\BlueIris>cd new
D:\BlueIris\New>dir gate*
Volume in drive D is Blue-Iris
Volume Serial Number is 8878-5941
Directory of D:\BlueIris\New
07/06/2022 09:33 AM 3,145,971,904 Gate.20220706_080000.bvr
07/06/2022 11:05 AM 3,145,967,637 Gate.20220706_093323.bvr
07/06/2022 11:59 AM 1,869,655,212 Gate.20220706_110542.bvr
07/06/2022 01:33 PM 3,146,788,790 Gate.20220706_120000.bvr
07/06/2022 03:07 PM 3,146,654,572 Gate.20220706_133333.bvr
07/06/2022 04:00 PM 1,764,672,572 Gate.20220706_150758.bvr
07/06/2022 05:34 PM 3,162,869,007 Gate.20220706_160000.bvr
07/06/2022 07:09 PM 3,145,797,564 Gate.20220706_173409.bvr
07/06/2022 07:59 PM 1,695,430,625 Gate.20220706_190947.bvr
07/06/2022 09:33 PM 3,146,383,628 Gate.20220706_200000.bvr
07/06/2022 11:06 PM 3,146,858,776 Gate.20220706_213328.bvr
07/07/2022 12:00 AM 1,793,426,613 Gate.20220706_230651.bvr
07/07/2022 01:38 AM 3,145,900,460 Gate.20220707_000000.bvr
07/07/2022 03:22 AM 3,146,459,921 Gate.20220707_013837.bvr
07/07/2022 04:00 AM 1,260,634,115 Gate.20220707_032241.bvr
07/07/2022 05:33 AM 3,146,548,440 Gate.20220707_040000.bvr
07/07/2022 07:08 AM 3,146,001,105 Gate.20220707_053326.bvr
07/07/2022 07:59 AM 1,782,128,619 Gate.20220707_070806.bvr
07/07/2022 09:31 AM 3,146,237,155 Gate.20220707_080000.bvr
07/07/2022 09:31 AM 888 Gate.20220707_093150.bvr
20 File(s) 51,084,387,603 bytes
0 Dir(s) 3,815,676,313,600 bytes free
D:\BlueIris\New>