BMO says their file is valid and to contact Quicken.
The header for the file contains:
<OFX>
<SIGNONMSGSRSV1>
<SONRS>
<STATUS>
<CODE>0
<SEVERITY>INFO
</STATUS>
<DTSERVER>20250525162348
<LANGUAGE>ENG
<FI>
<ORG>Harris N.A.
<FID>17614
</FI>
<INTU.BID>17614
<INTU.USERID>…….. (I masked this)
</SONRS>
</SIGNONMSGSRSV1>
This appears to be valid.
Who do I contact in Quicken about this?