omidsolo

1) thanks but I don't want add new blocks, my file.sim is in Block 0 for example, I wanna add new file.sim which has exact same name to archive with the same properties (comp mode, etc and also same block, even if itakes long time it's OK. Whats the final command ? :(

and should I specify the exact path of .sim file to be replaced inside the archive? once it's in the root, and for another file it's inside some sub folders... Thanks indeed...

7z a "D:\7-Zip\Data1.7z" "D:\7-Zip\PowerDVD.sim" -m0=LZMA2:d=26 -aoa OK, but something now:!

7z a "D:\7-Zip\Data1.7z" "D:\7-Zip\PowerDVD.sim" -m0=LZMA2:d=26 -aoa OK, but something now:!

7z a "D:\7-Zip\Data1.7z" "D:\7-Zip\Setup.ism" "D:\7-Zip\Data1.7z" is my original compressed file which contain many setup files including Setup.ism. And Setup.ism is my new file which I'd like to update the original 7z ARCHIVE with it. But as you mentioned: 7z a "D:\7-Zip\Data1.7z" "D:\7-Zip\Setup.ism" Does not work: WARNING: The system cannot find the file specified. : D:\7-Zip\Setup.ism But it is there. Is that the right command to insert the new Setup.ism into Data1.7z and replace it with original...

I have a .7z archive and I want to replace (delete/add) a file inside archive. I don't want to change the compression of whole archive and I also want the file which is being replaced to be added with the same compression as original file being replaced. Both old and new files are same name "Setup.ism". Please advise the best way to do so, no any properties of original .7z should be changed as well. Thanks.