I can see how this might be possible due to a misunderstanding of the RM Backup/Restore procedures and a trap in the RM User Interface: the backup dialog allows the user to change the extension when naming the backup file. Here’s what the header looks like for the resulting “.rmgc” file, or any unencrypted SQLite 3 file, including any RM8 “.rmtree” database file: Header of the restored “.rmgc” file as viewed in PSPad.Īpparently, the user had been changing backup filenames to the “.rmgc” extension for some time as they reported that they could not “open” a backup dated later than 2020. Then, having changed the extension from “.zip” to “.rmgb”, RM7 happily extracted “T.Thornley.rmgc” from the Zip/Backup file using File>Restore and successfully opened it. Its name was actually “T.Thornley.rmgc”, a pre-RM8 RM database filename. Sure enough, changing the extension to “.zip” allowed Windows File Manager, which integrates the Zip functions, to look inside and see that there was a single file in the archive whose uncompressed size was 3 times the size of the compressed backup file. Was this actually a RootsMagic 7 backup file whose extension had been changed from “.rmgb” to “.rmgc”? The RM backup file, probably even from the era of Family Origins, is a data compressed ZIP file and I had used, as early as the ’80’s, the original PKZIP utility for MS-DOS – there’s that “PK”. Two things (highlighted) jumped out at me: “PK” and a filename ending in “.rmgc”. Here’s what I saw: Header of the “.rmgc” file as viewed in PSPad. rmgc file with SQLiteSpy, I had a look at it with a text editor (PSPad in this case NotePad++ is a good alternative), thinking that maybe the header got corrupted. Other SQLite managers will report similarly to the highlighted error message.Īs I could not open the. Sure enough, here’s what SQLiteSpy reported: SQLite Error 26 as reported by SQLiteSpy. I warned them that there was probably nothing I could do because any version of SQLite I had would report the same error as RM7’s SQLite database engine and be unable to open it. User could not open their “.rmgc” file, getting this message.Ī user with this problem could not open their RM7 database file, contacted Tech Support which could not help and was referred by the agent to me.
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