Could you provide on where you found this file or what you believe it contains? Knowing the website of origin or the file's size would help in identifying it. rar file problem.! - Adobe Community
Since the origin of "23816.rar" is ambiguous, follow these security best practices if you have encountered this file: 23816.rar
Some servers assign sequential ID numbers to files for internal database tracking. Could you provide on where you found this
Only open RAR files from trusted senders or known download portals. - Adobe Community Since the origin of "23816
If you must investigate the contents, extract them within a secure, isolated virtual machine (sandbox) to prevent potential execution of malicious scripts.
If the file is part of a large multi-part archive, ensure you have the corresponding PAR (parity) files to verify data integrity and repair any corruption.