No, There is no such limitation exists on the size of exchange edb file. The Exchange Server to Outlook MSG tool does not offer any restriction on the size of EDB file.
Yes, Definitely EDB Mailbox to MSG file Supports the dismounted, offline, corrupt edb file as well.
Yes, You can use the software to recover data from Exchange edb file in msg file format.
You do not need to panic or get hyper. There might be a possibility that the browsed edb file may have the high level of corruption. It takes the time to extract the data from corrupt file.
You have to follow the simple procedure as explained in the product guide of the EDB to MSG Converter.
Extract Exchange EDB file into MSG File With Intact Metadata