iCal backup files (.icbu) contains backup of calendar data, including contacts. So it is likely that there may be a way to how you can extract the contacts from .icbu files and saved them in vCard file (.vcf). Either by recovering the backup, or by using some kind of conversion utility.
Home > Search converters: icbu to vcf
Conversion of icbu file format to vcf file format beta
Search for icbu to vcf converter or software able to handle these file types.
Convert Apple iCal backup to vCard contacts.
We have found one software suitable in our database for this conversion.
Apple macOS / Mac OS X software - convert icbu to vcf on OS X
Apple Calendar (iCal)
Apple's personal calendar application for Mac OS X
File extension | Convert | Open | Save | Edit | Create | Import | Export | Extract |
---|---|---|---|---|---|---|---|---|
Convert from icbu file | No | Yes | No | No | Yes | Yes | Yes | No |
to vcf file | No | Yes | Yes | vcf editor | Yes | No | No | No |
The table with program actions contains information about what each program is capable of doing with their files. This may be a good pointer for further searches for certain file conversions and help you find the converter you are looking for if our search result is insufficient for you. However, it is far from perfect and may sometimes show results which are not really usable because of the nature of the software handles the files. So a conversion that appears as possible, just because of matched actions, may in fact not be possible.
Additional links: Open icbu file, Open vcf file
ICBU
Files with icbu file extension can be found as calendar data backups made in Apple iCal/Calendar program.
VCF
Files with vcf extension are almost always contacts saved in vCard format. Typically used various Personal Information Managers or e-mail clients (for example Outlook), as well as exported from mobile phones, for the purposes of sharing or migrating contacts from one device to another.
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