Usually, the import filter to use is the one that describes the combination of database and database provider. For example, PsycInfo (OVID) or PsycInfo (Ebsco).
However, there are specific file extensions that denote which filter to use
File extension |
Import Option |
Import Options
.nbib |
PubMed (NLM) |
.ris |
RefMan (RIS) |
.enw |
EndNote Import |
If none of these work, double-check that the text file was saved in the correct format.