Hello, 
I have accidentally deleted all records (over 6000) while working on a file. Is there a way to recover the deleted records? 
The file size is the same as before deleting the records, which makes me think that the data might still be there. The last time I back up the file was over six weeks ago; so if I cannot recover the file, all the works and modification I had made to the file are forever lost.  I saw a similar post from 2004, asking the same question. 
I have also tried the file "recover" option, but it didn't work. I tried to open the file in a text editor, but noting is decipherable. If there is a way for me to read the deleted records, I can work from there. 
Could someone please advise me? 

I am sorry but the delete function is permanent and zero chance to recover data. Only a backup can help. 

1. stop using the file

2. get data from a backup

3. if not available, contact Claris to help recovering deleted data.

Was the file hosted on a server? If so, look for backups on the server. If the file was a local file, did you have the filesystem backed up, either external hard drive or cloud backups?