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All my other photo software uses TIF as the file extension for Tagged Image File Format image files. I am curious why TIFF was used by Affinity. It makes my file lists look ragged and will probably interfere with sorting lists.

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I agree, Affinity's default use of *.tiff is a complete PITA.

I have no idea why Serif don't standardise on *.tif.  There's no advantage by defaulting to *.tiff when everyone else uses *.tif and have done for a long time.  It just adds unnecessary complications with no benefit.

 

 

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I think the file format extension is .tiff. .tif comes from a MS Dos limitation (max 8.3). On Mac at least there are many extensions longer than 3 characters, including .afphoto and .afdesign.


Affinity Photo/Affinity Designer/Affinity Publisher | macOS 10.14 Catalina on MBP13 2013 | macOS 10.15 Mojave on MBP13 2017

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8 minutes ago, RNKLN said:

I think the file format extension is .tiff. .tif comes from a MS Dos limitation (max 8.3). On Mac at least there are many extensions longer than 3 characters, including .afphoto and .afdesign.

 

So long as Affinity's extensions are the same as other photo software's output I don't care how long they are. It is the consistency that we are after.

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You're right that this inconsistency doesn't make sense, rafikiphoto.


Affinity Photo/Affinity Designer/Affinity Publisher | macOS 10.14 Catalina on MBP13 2013 | macOS 10.15 Mojave on MBP13 2017

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3 minutes ago, Sima said:

I have no idea why Serif don't standardise on *.tif.  There's no advantage by defaulting to *.tiff when everyone else uses *.tif and have done for a long time.

Maybe blame this on Apple, or just accept it as a consequence of the history of the development & codification of file types:

 

Back when the DOS "dot & three" extension convention was the standard, Apple rejected this as too limiting. Instead the "classic" Mac OS (system 7, 8, etc.) relied on four byte creator & file type codes, stored in the file's resource fork

 

The Macintosh file type code for tagged image format files is "TIFF" -- you can find it mentioned in RFC's like RFC3302 -- & the four character notation is also used in the Internet Media (MIME) type & UTI specifications ("image/tiff" & "public.tiff" respectively. It also appears in the name of official release specification owned by Adobe (as "TIFF 6.0").

 

So there is to some small extent an advantage (or at least a consistency) in using the *.tiff extension, even if it has not historically been in use for the longest time.

 

That does not make it any less a PITA, though.


Affinity Photo 1.7.3, Affinity Designer 1.7.3, Affinity Publisher 1.7.3; macOS High Sierra 10.13.6 iMac (27-inch, Late 2012); 2.9GHz i5 CPU; NVIDIA GeForce GTX 660M; 8GB RAM
Affinity Photo 1.7.3.155 & Affinity Designer 1.7.3.1 for iPad; 6th Generation iPad 32 GB; Apple Pencil; iPadOS 13.1.2

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